AudioService.java revision c390bed06b4a572e273ead1254da9a932e04dce3
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.media; 18 19import static android.Manifest.permission.REMOTE_AUDIO_PLAYBACK; 20import static android.media.AudioManager.RINGER_MODE_NORMAL; 21import static android.media.AudioManager.RINGER_MODE_SILENT; 22import static android.media.AudioManager.RINGER_MODE_VIBRATE; 23 24import android.app.Activity; 25import android.app.ActivityManagerNative; 26import android.app.KeyguardManager; 27import android.app.PendingIntent; 28import android.app.PendingIntent.CanceledException; 29import android.app.PendingIntent.OnFinished; 30import android.bluetooth.BluetoothA2dp; 31import android.bluetooth.BluetoothAdapter; 32import android.bluetooth.BluetoothClass; 33import android.bluetooth.BluetoothDevice; 34import android.bluetooth.BluetoothHeadset; 35import android.bluetooth.BluetoothProfile; 36import android.content.ActivityNotFoundException; 37import android.content.BroadcastReceiver; 38import android.content.ComponentName; 39import android.content.ContentResolver; 40import android.content.Context; 41import android.content.Intent; 42import android.content.IntentFilter; 43import android.content.pm.PackageManager; 44import android.content.res.Configuration; 45import android.database.ContentObserver; 46import android.media.MediaPlayer.OnCompletionListener; 47import android.media.MediaPlayer.OnErrorListener; 48import android.os.Binder; 49import android.os.Bundle; 50import android.os.Environment; 51import android.os.Handler; 52import android.os.IBinder; 53import android.os.Looper; 54import android.os.Message; 55import android.os.PowerManager; 56import android.os.RemoteCallbackList; 57import android.os.RemoteException; 58import android.os.ServiceManager; 59import android.os.SystemProperties; 60import android.os.Vibrator; 61import android.provider.Settings; 62import android.provider.Settings.System; 63import android.speech.RecognizerIntent; 64import android.telephony.PhoneStateListener; 65import android.telephony.TelephonyManager; 66import android.text.TextUtils; 67import android.util.Log; 68import android.view.KeyEvent; 69import android.view.VolumePanel; 70 71import com.android.internal.telephony.ITelephony; 72 73import java.io.FileDescriptor; 74import java.io.IOException; 75import java.io.PrintWriter; 76import java.util.ArrayList; 77import java.util.concurrent.ConcurrentHashMap; 78import java.util.HashMap; 79import java.util.Iterator; 80import java.util.List; 81import java.util.Map; 82import java.util.NoSuchElementException; 83import java.util.Set; 84import java.util.Stack; 85 86/** 87 * The implementation of the volume manager service. 88 * <p> 89 * This implementation focuses on delivering a responsive UI. Most methods are 90 * asynchronous to external calls. For example, the task of setting a volume 91 * will update our internal state, but in a separate thread will set the system 92 * volume and later persist to the database. Similarly, setting the ringer mode 93 * will update the state and broadcast a change and in a separate thread later 94 * persist the ringer mode. 95 * 96 * @hide 97 */ 98public class AudioService extends IAudioService.Stub implements OnFinished { 99 100 private static final String TAG = "AudioService"; 101 102 /** Debug remote control client/display feature */ 103 protected static final boolean DEBUG_RC = false; 104 /** Debug volumes */ 105 protected static final boolean DEBUG_VOL = false; 106 107 /** How long to delay before persisting a change in volume/ringer mode. */ 108 private static final int PERSIST_DELAY = 500; 109 110 private Context mContext; 111 private ContentResolver mContentResolver; 112 private boolean mVoiceCapable; 113 114 /** The UI */ 115 private VolumePanel mVolumePanel; 116 117 // sendMsg() flags 118 /** If the msg is already queued, replace it with this one. */ 119 private static final int SENDMSG_REPLACE = 0; 120 /** If the msg is already queued, ignore this one and leave the old. */ 121 private static final int SENDMSG_NOOP = 1; 122 /** If the msg is already queued, queue this one and leave the old. */ 123 private static final int SENDMSG_QUEUE = 2; 124 125 // AudioHandler messages 126 private static final int MSG_SET_DEVICE_VOLUME = 0; 127 private static final int MSG_PERSIST_VOLUME = 1; 128 private static final int MSG_PERSIST_MASTER_VOLUME = 2; 129 private static final int MSG_PERSIST_RINGER_MODE = 3; 130 private static final int MSG_MEDIA_SERVER_DIED = 4; 131 private static final int MSG_MEDIA_SERVER_STARTED = 5; 132 private static final int MSG_PLAY_SOUND_EFFECT = 6; 133 private static final int MSG_BTA2DP_DOCK_TIMEOUT = 7; 134 private static final int MSG_LOAD_SOUND_EFFECTS = 8; 135 private static final int MSG_SET_FORCE_USE = 9; 136 private static final int MSG_PERSIST_MEDIABUTTONRECEIVER = 10; 137 private static final int MSG_BT_HEADSET_CNCT_FAILED = 11; 138 private static final int MSG_RCDISPLAY_CLEAR = 12; 139 private static final int MSG_RCDISPLAY_UPDATE = 13; 140 private static final int MSG_SET_ALL_VOLUMES = 14; 141 private static final int MSG_PERSIST_MASTER_VOLUME_MUTE = 15; 142 private static final int MSG_REPORT_NEW_ROUTES = 16; 143 private static final int MSG_REEVALUATE_REMOTE = 17; 144 private static final int MSG_RCC_NEW_PLAYBACK_INFO = 18; 145 private static final int MSG_RCC_NEW_VOLUME_OBS = 19; 146 private static final int MSG_SET_FORCE_BT_A2DP_USE = 20; 147 // start of messages handled under wakelock 148 // these messages can only be queued, i.e. sent with queueMsgUnderWakeLock(), 149 // and not with sendMsg(..., ..., SENDMSG_QUEUE, ...) 150 private static final int MSG_SET_WIRED_DEVICE_CONNECTION_STATE = 21; 151 private static final int MSG_SET_A2DP_CONNECTION_STATE = 22; 152 // end of messages handled under wakelock 153 154 // flags for MSG_PERSIST_VOLUME indicating if current and/or last audible volume should be 155 // persisted 156 private static final int PERSIST_CURRENT = 0x1; 157 private static final int PERSIST_LAST_AUDIBLE = 0x2; 158 159 private static final int BTA2DP_DOCK_TIMEOUT_MILLIS = 8000; 160 // Timeout for connection to bluetooth headset service 161 private static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000; 162 163 /** @see AudioSystemThread */ 164 private AudioSystemThread mAudioSystemThread; 165 /** @see AudioHandler */ 166 private AudioHandler mAudioHandler; 167 /** @see VolumeStreamState */ 168 private VolumeStreamState[] mStreamStates; 169 private SettingsObserver mSettingsObserver; 170 171 private int mMode; 172 // protects mRingerMode 173 private final Object mSettingsLock = new Object(); 174 175 private boolean mMediaServerOk; 176 177 private SoundPool mSoundPool; 178 private final Object mSoundEffectsLock = new Object(); 179 private static final int NUM_SOUNDPOOL_CHANNELS = 4; 180 181 // Internally master volume is a float in the 0.0 - 1.0 range, 182 // but to support integer based AudioManager API we translate it to 0 - 100 183 private static final int MAX_MASTER_VOLUME = 100; 184 185 // Maximum volume adjust steps allowed in a single batch call. 186 private static final int MAX_BATCH_VOLUME_ADJUST_STEPS = 4; 187 188 /* Sound effect file names */ 189 private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; 190 private static final String[] SOUND_EFFECT_FILES = new String[] { 191 "Effect_Tick.ogg", 192 "KeypressStandard.ogg", 193 "KeypressSpacebar.ogg", 194 "KeypressDelete.ogg", 195 "KeypressReturn.ogg" 196 }; 197 198 /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to 199 * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect 200 * uses soundpool (second column) */ 201 private final int[][] SOUND_EFFECT_FILES_MAP = new int[][] { 202 {0, -1}, // FX_KEY_CLICK 203 {0, -1}, // FX_FOCUS_NAVIGATION_UP 204 {0, -1}, // FX_FOCUS_NAVIGATION_DOWN 205 {0, -1}, // FX_FOCUS_NAVIGATION_LEFT 206 {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT 207 {1, -1}, // FX_KEYPRESS_STANDARD 208 {2, -1}, // FX_KEYPRESS_SPACEBAR 209 {3, -1}, // FX_FOCUS_DELETE 210 {4, -1} // FX_FOCUS_RETURN 211 }; 212 213 /** @hide Maximum volume index values for audio streams */ 214 private final int[] MAX_STREAM_VOLUME = new int[] { 215 5, // STREAM_VOICE_CALL 216 7, // STREAM_SYSTEM 217 7, // STREAM_RING 218 15, // STREAM_MUSIC 219 7, // STREAM_ALARM 220 7, // STREAM_NOTIFICATION 221 15, // STREAM_BLUETOOTH_SCO 222 7, // STREAM_SYSTEM_ENFORCED 223 15, // STREAM_DTMF 224 15 // STREAM_TTS 225 }; 226 /* mStreamVolumeAlias[] indicates for each stream if it uses the volume settings 227 * of another stream: This avoids multiplying the volume settings for hidden 228 * stream types that follow other stream behavior for volume settings 229 * NOTE: do not create loops in aliases! 230 * Some streams alias to different streams according to device category (phone or tablet) or 231 * use case (in call s off call...).See updateStreamVolumeAlias() for more details 232 * mStreamVolumeAlias contains the default aliases for a voice capable device (phone) and 233 * STREAM_VOLUME_ALIAS_NON_VOICE for a non voice capable device (tablet).*/ 234 private final int[] STREAM_VOLUME_ALIAS = new int[] { 235 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 236 AudioSystem.STREAM_RING, // STREAM_SYSTEM 237 AudioSystem.STREAM_RING, // STREAM_RING 238 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 239 AudioSystem.STREAM_ALARM, // STREAM_ALARM 240 AudioSystem.STREAM_RING, // STREAM_NOTIFICATION 241 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 242 AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED 243 AudioSystem.STREAM_RING, // STREAM_DTMF 244 AudioSystem.STREAM_MUSIC // STREAM_TTS 245 }; 246 private final int[] STREAM_VOLUME_ALIAS_NON_VOICE = new int[] { 247 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 248 AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM 249 AudioSystem.STREAM_RING, // STREAM_RING 250 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 251 AudioSystem.STREAM_ALARM, // STREAM_ALARM 252 AudioSystem.STREAM_RING, // STREAM_NOTIFICATION 253 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 254 AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM_ENFORCED 255 AudioSystem.STREAM_MUSIC, // STREAM_DTMF 256 AudioSystem.STREAM_MUSIC // STREAM_TTS 257 }; 258 private int[] mStreamVolumeAlias; 259 260 // stream names used by dumpStreamStates() 261 private final String[] STREAM_NAMES = new String[] { 262 "STREAM_VOICE_CALL", 263 "STREAM_SYSTEM", 264 "STREAM_RING", 265 "STREAM_MUSIC", 266 "STREAM_ALARM", 267 "STREAM_NOTIFICATION", 268 "STREAM_BLUETOOTH_SCO", 269 "STREAM_SYSTEM_ENFORCED", 270 "STREAM_DTMF", 271 "STREAM_TTS" 272 }; 273 274 private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { 275 public void onError(int error) { 276 switch (error) { 277 case AudioSystem.AUDIO_STATUS_SERVER_DIED: 278 if (mMediaServerOk) { 279 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 280 null, 1500); 281 mMediaServerOk = false; 282 } 283 break; 284 case AudioSystem.AUDIO_STATUS_OK: 285 if (!mMediaServerOk) { 286 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SENDMSG_NOOP, 0, 0, 287 null, 0); 288 mMediaServerOk = true; 289 } 290 break; 291 default: 292 break; 293 } 294 } 295 }; 296 297 /** 298 * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, 299 * {@link AudioManager#RINGER_MODE_SILENT}, or 300 * {@link AudioManager#RINGER_MODE_VIBRATE}. 301 */ 302 // protected by mSettingsLock 303 private int mRingerMode; 304 305 /** @see System#MODE_RINGER_STREAMS_AFFECTED */ 306 private int mRingerModeAffectedStreams; 307 308 // Streams currently muted by ringer mode 309 private int mRingerModeMutedStreams; 310 311 /** @see System#MUTE_STREAMS_AFFECTED */ 312 private int mMuteAffectedStreams; 313 314 /** 315 * NOTE: setVibrateSetting(), getVibrateSetting(), shouldVibrate() are deprecated. 316 * mVibrateSetting is just maintained during deprecation period but vibration policy is 317 * now only controlled by mHasVibrator and mRingerMode 318 */ 319 private int mVibrateSetting; 320 321 // Is there a vibrator 322 private final boolean mHasVibrator; 323 324 // Broadcast receiver for device connections intent broadcasts 325 private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); 326 327 // Used to alter media button redirection when the phone is ringing. 328 private boolean mIsRinging = false; 329 330 // Devices currently connected 331 private final HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); 332 333 // Forced device usage for communications 334 private int mForcedUseForComm; 335 336 // True if we have master volume support 337 private final boolean mUseMasterVolume; 338 339 private final int[] mMasterVolumeRamp; 340 341 // List of binder death handlers for setMode() client processes. 342 // The last process to have called setMode() is at the top of the list. 343 private final ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>(); 344 345 // List of clients having issued a SCO start request 346 private final ArrayList <ScoClient> mScoClients = new ArrayList <ScoClient>(); 347 348 // BluetoothHeadset API to control SCO connection 349 private BluetoothHeadset mBluetoothHeadset; 350 351 // Bluetooth headset device 352 private BluetoothDevice mBluetoothHeadsetDevice; 353 354 // Indicate if SCO audio connection is currently active and if the initiator is 355 // audio service (internal) or bluetooth headset (external) 356 private int mScoAudioState; 357 // SCO audio state is not active 358 private static final int SCO_STATE_INACTIVE = 0; 359 // SCO audio activation request waiting for headset service to connect 360 private static final int SCO_STATE_ACTIVATE_REQ = 1; 361 // SCO audio state is active or starting due to a local request to start a virtual call 362 private static final int SCO_STATE_ACTIVE_INTERNAL = 3; 363 // SCO audio deactivation request waiting for headset service to connect 364 private static final int SCO_STATE_DEACTIVATE_REQ = 5; 365 366 // SCO audio state is active due to an action in BT handsfree (either voice recognition or 367 // in call audio) 368 private static final int SCO_STATE_ACTIVE_EXTERNAL = 2; 369 // Deactivation request for all SCO connections (initiated by audio mode change) 370 // waiting for headset service to connect 371 private static final int SCO_STATE_DEACTIVATE_EXT_REQ = 4; 372 373 // Current connection state indicated by bluetooth headset 374 private int mScoConnectionState; 375 376 // true if boot sequence has been completed 377 private boolean mBootCompleted; 378 // listener for SoundPool sample load completion indication 379 private SoundPoolCallback mSoundPoolCallBack; 380 // thread for SoundPool listener 381 private SoundPoolListenerThread mSoundPoolListenerThread; 382 // message looper for SoundPool listener 383 private Looper mSoundPoolLooper = null; 384 // volume applied to sound played with playSoundEffect() 385 private static int SOUND_EFFECT_VOLUME_DB; 386 // getActiveStreamType() will return STREAM_NOTIFICATION during this period after a notification 387 // stopped 388 private static final int NOTIFICATION_VOLUME_DELAY_MS = 5000; 389 // previous volume adjustment direction received by checkForRingerModeChange() 390 private int mPrevVolDirection = AudioManager.ADJUST_SAME; 391 // Keyguard manager proxy 392 private KeyguardManager mKeyguardManager; 393 // mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume 394 // is controlled by Vol keys. 395 private int mVolumeControlStream = -1; 396 private final Object mForceControlStreamLock = new Object(); 397 // VolumePanel is currently the only client of forceVolumeControlStream() and runs in system 398 // server process so in theory it is not necessary to monitor the client death. 399 // However it is good to be ready for future evolutions. 400 private ForceControlStreamClient mForceControlStreamClient = null; 401 // Used to play ringtones outside system_server 402 private volatile IRingtonePlayer mRingtonePlayer; 403 404 private int mDeviceOrientation = Configuration.ORIENTATION_UNDEFINED; 405 406 // Request to override default use of A2DP for media. 407 private boolean mBluetoothA2dpEnabled; 408 private final Object mBluetoothA2dpEnabledLock = new Object(); 409 410 // Monitoring of audio routes. Protected by mCurAudioRoutes. 411 final AudioRoutesInfo mCurAudioRoutes = new AudioRoutesInfo(); 412 final RemoteCallbackList<IAudioRoutesObserver> mRoutesObservers 413 = new RemoteCallbackList<IAudioRoutesObserver>(); 414 415 /** 416 * A fake stream type to match the notion of remote media playback 417 */ 418 public final static int STREAM_REMOTE_MUSIC = -200; 419 420 /////////////////////////////////////////////////////////////////////////// 421 // Construction 422 /////////////////////////////////////////////////////////////////////////// 423 424 /** @hide */ 425 public AudioService(Context context) { 426 mContext = context; 427 mContentResolver = context.getContentResolver(); 428 mVoiceCapable = mContext.getResources().getBoolean( 429 com.android.internal.R.bool.config_voice_capable); 430 431 PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 432 mMediaEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleMediaEvent"); 433 434 Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 435 mHasVibrator = vibrator == null ? false : vibrator.hasVibrator(); 436 437 // Intialized volume 438 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( 439 "ro.config.vc_call_vol_steps", 440 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); 441 442 SOUND_EFFECT_VOLUME_DB = context.getResources().getInteger( 443 com.android.internal.R.integer.config_soundEffectVolumeDb); 444 445 mVolumePanel = new VolumePanel(context, this); 446 mMode = AudioSystem.MODE_NORMAL; 447 mForcedUseForComm = AudioSystem.FORCE_NONE; 448 createAudioSystemThread(); 449 readPersistedSettings(); 450 mSettingsObserver = new SettingsObserver(); 451 updateStreamVolumeAlias(false /*updateVolumes*/); 452 createStreamStates(); 453 454 mMediaServerOk = true; 455 456 // Call setRingerModeInt() to apply correct mute 457 // state on streams affected by ringer mode. 458 mRingerModeMutedStreams = 0; 459 setRingerModeInt(getRingerMode(), false); 460 461 AudioSystem.setErrorCallback(mAudioSystemCallback); 462 463 // Register for device connection intent broadcasts. 464 IntentFilter intentFilter = 465 new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); 466 intentFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); 467 intentFilter.addAction(Intent.ACTION_DOCK_EVENT); 468 intentFilter.addAction(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG); 469 intentFilter.addAction(Intent.ACTION_USB_AUDIO_DEVICE_PLUG); 470 intentFilter.addAction(Intent.ACTION_BOOT_COMPLETED); 471 intentFilter.addAction(Intent.ACTION_SCREEN_ON); 472 intentFilter.addAction(Intent.ACTION_SCREEN_OFF); 473 474 // Register a configuration change listener only if requested by system properties 475 // to monitor orientation changes (off by default) 476 if (SystemProperties.getBoolean("ro.audio.monitorOrientation", false)) { 477 Log.v(TAG, "monitoring device orientation"); 478 intentFilter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); 479 // initialize orientation in AudioSystem 480 setOrientationForAudioSystem(); 481 } 482 483 context.registerReceiver(mReceiver, intentFilter); 484 485 // Register for package removal intent broadcasts for media button receiver persistence 486 IntentFilter pkgFilter = new IntentFilter(); 487 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 488 pkgFilter.addDataScheme("package"); 489 context.registerReceiver(mReceiver, pkgFilter); 490 491 // Register for phone state monitoring 492 TelephonyManager tmgr = (TelephonyManager) 493 context.getSystemService(Context.TELEPHONY_SERVICE); 494 tmgr.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); 495 496 mUseMasterVolume = context.getResources().getBoolean( 497 com.android.internal.R.bool.config_useMasterVolume); 498 restoreMasterVolume(); 499 500 mMasterVolumeRamp = context.getResources().getIntArray( 501 com.android.internal.R.array.config_masterVolumeRamp); 502 503 mMainRemote = new RemotePlaybackState(-1, MAX_STREAM_VOLUME[AudioManager.STREAM_MUSIC], 504 MAX_STREAM_VOLUME[AudioManager.STREAM_MUSIC]); 505 mHasRemotePlayback = false; 506 mMainRemoteIsActive = false; 507 postReevaluateRemote(); 508 } 509 510 private void createAudioSystemThread() { 511 mAudioSystemThread = new AudioSystemThread(); 512 mAudioSystemThread.start(); 513 waitForAudioHandlerCreation(); 514 } 515 516 /** Waits for the volume handler to be created by the other thread. */ 517 private void waitForAudioHandlerCreation() { 518 synchronized(this) { 519 while (mAudioHandler == null) { 520 try { 521 // Wait for mAudioHandler to be set by the other thread 522 wait(); 523 } catch (InterruptedException e) { 524 Log.e(TAG, "Interrupted while waiting on volume handler."); 525 } 526 } 527 } 528 } 529 530 private void checkAllAliasStreamVolumes() { 531 int numStreamTypes = AudioSystem.getNumStreamTypes(); 532 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 533 if (streamType != mStreamVolumeAlias[streamType]) { 534 mStreamStates[streamType]. 535 setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], 536 false /*lastAudible*/); 537 mStreamStates[streamType]. 538 setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], 539 true /*lastAudible*/); 540 } 541 // apply stream volume 542 if (mStreamStates[streamType].muteCount() == 0) { 543 mStreamStates[streamType].applyAllVolumes(); 544 } 545 } 546 } 547 548 private void createStreamStates() { 549 int numStreamTypes = AudioSystem.getNumStreamTypes(); 550 VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; 551 552 for (int i = 0; i < numStreamTypes; i++) { 553 streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[mStreamVolumeAlias[i]], i); 554 } 555 556 checkAllAliasStreamVolumes(); 557 } 558 559 private void dumpStreamStates(PrintWriter pw) { 560 pw.println("\nStream volumes (device: index)"); 561 int numStreamTypes = AudioSystem.getNumStreamTypes(); 562 for (int i = 0; i < numStreamTypes; i++) { 563 pw.println("- "+STREAM_NAMES[i]+":"); 564 mStreamStates[i].dump(pw); 565 pw.println(""); 566 } 567 } 568 569 570 private void updateStreamVolumeAlias(boolean updateVolumes) { 571 int dtmfStreamAlias; 572 if (mVoiceCapable) { 573 mStreamVolumeAlias = STREAM_VOLUME_ALIAS; 574 dtmfStreamAlias = AudioSystem.STREAM_RING; 575 } else { 576 mStreamVolumeAlias = STREAM_VOLUME_ALIAS_NON_VOICE; 577 dtmfStreamAlias = AudioSystem.STREAM_MUSIC; 578 } 579 if (isInCommunication()) { 580 dtmfStreamAlias = AudioSystem.STREAM_VOICE_CALL; 581 } 582 mStreamVolumeAlias[AudioSystem.STREAM_DTMF] = dtmfStreamAlias; 583 if (updateVolumes) { 584 mStreamStates[AudioSystem.STREAM_DTMF].setAllIndexes(mStreamStates[dtmfStreamAlias], 585 false /*lastAudible*/); 586 mStreamStates[AudioSystem.STREAM_DTMF].setAllIndexes(mStreamStates[dtmfStreamAlias], 587 true /*lastAudible*/); 588 sendMsg(mAudioHandler, 589 MSG_SET_ALL_VOLUMES, 590 SENDMSG_QUEUE, 591 0, 592 0, 593 mStreamStates[AudioSystem.STREAM_DTMF], 0); 594 } 595 } 596 597 private void readPersistedSettings() { 598 final ContentResolver cr = mContentResolver; 599 600 int ringerModeFromSettings = 601 System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); 602 int ringerMode = ringerModeFromSettings; 603 // sanity check in case the settings are restored from a device with incompatible 604 // ringer modes 605 if (!AudioManager.isValidRingerMode(ringerMode)) { 606 ringerMode = AudioManager.RINGER_MODE_NORMAL; 607 } 608 if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { 609 ringerMode = AudioManager.RINGER_MODE_SILENT; 610 } 611 if (ringerMode != ringerModeFromSettings) { 612 System.putInt(cr, System.MODE_RINGER, ringerMode); 613 } 614 synchronized(mSettingsLock) { 615 mRingerMode = ringerMode; 616 } 617 618 // System.VIBRATE_ON is not used any more but defaults for mVibrateSetting 619 // are still needed while setVibrateSetting() and getVibrateSetting() are being deprecated. 620 mVibrateSetting = getValueForVibrateSetting(0, 621 AudioManager.VIBRATE_TYPE_NOTIFICATION, 622 mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT 623 : AudioManager.VIBRATE_SETTING_OFF); 624 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, 625 AudioManager.VIBRATE_TYPE_RINGER, 626 mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT 627 : AudioManager.VIBRATE_SETTING_OFF); 628 629 // make sure settings for ringer mode are consistent with device type: non voice capable 630 // devices (tablets) include media stream in silent mode whereas phones don't. 631 mRingerModeAffectedStreams = Settings.System.getInt(cr, 632 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 633 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 634 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 635 if (mVoiceCapable) { 636 mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 637 } else { 638 mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 639 } 640 Settings.System.putInt(cr, 641 Settings.System.MODE_RINGER_STREAMS_AFFECTED, mRingerModeAffectedStreams); 642 643 mMuteAffectedStreams = System.getInt(cr, 644 System.MUTE_STREAMS_AFFECTED, 645 ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); 646 647 boolean masterMute = System.getInt(cr, System.VOLUME_MASTER_MUTE, 0) == 1; 648 AudioSystem.setMasterMute(masterMute); 649 broadcastMasterMuteStatus(masterMute); 650 651 // Each stream will read its own persisted settings 652 653 // Broadcast the sticky intent 654 broadcastRingerMode(ringerMode); 655 656 // Broadcast vibrate settings 657 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); 658 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); 659 660 // Restore the default media button receiver from the system settings 661 restoreMediaButtonReceiver(); 662 } 663 664 private int rescaleIndex(int index, int srcStream, int dstStream) { 665 return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); 666 } 667 668 /////////////////////////////////////////////////////////////////////////// 669 // IPC methods 670 /////////////////////////////////////////////////////////////////////////// 671 672 /** @see AudioManager#adjustVolume(int, int) */ 673 public void adjustVolume(int direction, int flags) { 674 adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); 675 } 676 677 /** @see AudioManager#adjustLocalOrRemoteStreamVolume(int, int) with current assumption 678 * on streamType: fixed to STREAM_MUSIC */ 679 public void adjustLocalOrRemoteStreamVolume(int streamType, int direction) { 680 if (DEBUG_VOL) Log.d(TAG, "adjustLocalOrRemoteStreamVolume(dir="+direction+")"); 681 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 682 adjustRemoteVolume(AudioSystem.STREAM_MUSIC, direction, 0); 683 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 684 adjustStreamVolume(AudioSystem.STREAM_MUSIC, direction, 0); 685 } 686 } 687 688 /** @see AudioManager#adjustVolume(int, int, int) */ 689 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 690 if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream="+suggestedStreamType); 691 int streamType; 692 if (mVolumeControlStream != -1) { 693 streamType = mVolumeControlStream; 694 } else { 695 streamType = getActiveStreamType(suggestedStreamType); 696 } 697 698 // Play sounds on STREAM_RING only and if lock screen is not on. 699 if ((streamType != STREAM_REMOTE_MUSIC) && 700 (flags & AudioManager.FLAG_PLAY_SOUND) != 0 && 701 ((mStreamVolumeAlias[streamType] != AudioSystem.STREAM_RING) 702 || (mKeyguardManager != null && mKeyguardManager.isKeyguardLocked()))) { 703 flags &= ~AudioManager.FLAG_PLAY_SOUND; 704 } 705 706 if (streamType == STREAM_REMOTE_MUSIC) { 707 // don't play sounds for remote 708 flags &= ~AudioManager.FLAG_PLAY_SOUND; 709 //if (DEBUG_VOL) Log.i(TAG, "Need to adjust remote volume: calling adjustRemoteVolume()"); 710 adjustRemoteVolume(AudioSystem.STREAM_MUSIC, direction, flags); 711 } else { 712 adjustStreamVolume(streamType, direction, flags); 713 } 714 } 715 716 /** @see AudioManager#adjustStreamVolume(int, int, int) */ 717 public void adjustStreamVolume(int streamType, int direction, int flags) { 718 if (DEBUG_VOL) Log.d(TAG, "adjustStreamVolume() stream="+streamType+", dir="+direction); 719 720 ensureValidDirection(direction); 721 ensureValidStreamType(streamType); 722 723 // use stream type alias here so that streams with same alias have the same behavior, 724 // including with regard to silent mode control (e.g the use of STREAM_RING below and in 725 // checkForRingerModeChange() in place of STREAM_RING or STREAM_NOTIFICATION) 726 int streamTypeAlias = mStreamVolumeAlias[streamType]; 727 VolumeStreamState streamState = mStreamStates[streamTypeAlias]; 728 729 final int device = getDeviceForStream(streamTypeAlias); 730 // get last audible index if stream is muted, current index otherwise 731 final int aliasIndex = streamState.getIndex(device, 732 (streamState.muteCount() != 0) /* lastAudible */); 733 boolean adjustVolume = true; 734 735 // convert one UI step (+/-1) into a number of internal units on the stream alias 736 int step = rescaleIndex(10, streamType, streamTypeAlias); 737 738 // If either the client forces allowing ringer modes for this adjustment, 739 // or the stream type is one that is affected by ringer modes 740 if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 741 (streamTypeAlias == getMasterStreamType())) { 742 int ringerMode = getRingerMode(); 743 // do not vibrate if already in vibrate mode 744 if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) { 745 flags &= ~AudioManager.FLAG_VIBRATE; 746 } 747 // Check if the ringer mode changes with this volume adjustment. If 748 // it does, it will handle adjusting the volume, so we won't below 749 adjustVolume = checkForRingerModeChange(aliasIndex, direction, step); 750 if ((streamTypeAlias == getMasterStreamType()) && 751 (mRingerMode == AudioManager.RINGER_MODE_SILENT)) { 752 streamState.setLastAudibleIndex(0, device); 753 } 754 } 755 756 // If stream is muted, adjust last audible index only 757 int index; 758 final int oldIndex = mStreamStates[streamType].getIndex(device, 759 (mStreamStates[streamType].muteCount() != 0) /* lastAudible */); 760 761 if (streamState.muteCount() != 0) { 762 if (adjustVolume) { 763 // Post a persist volume msg 764 // no need to persist volume on all streams sharing the same alias 765 streamState.adjustLastAudibleIndex(direction * step, device); 766 sendMsg(mAudioHandler, 767 MSG_PERSIST_VOLUME, 768 SENDMSG_QUEUE, 769 PERSIST_LAST_AUDIBLE, 770 device, 771 streamState, 772 PERSIST_DELAY); 773 } 774 index = mStreamStates[streamType].getIndex(device, true /* lastAudible */); 775 } else { 776 if (adjustVolume && streamState.adjustIndex(direction * step, device)) { 777 // Post message to set system volume (it in turn will post a message 778 // to persist). Do not change volume if stream is muted. 779 sendMsg(mAudioHandler, 780 MSG_SET_DEVICE_VOLUME, 781 SENDMSG_QUEUE, 782 device, 783 0, 784 streamState, 785 0); 786 } 787 index = mStreamStates[streamType].getIndex(device, false /* lastAudible */); 788 } 789 790 sendVolumeUpdate(streamType, oldIndex, index, flags); 791 } 792 793 /** @see AudioManager#adjustMasterVolume(int) */ 794 public void adjustMasterVolume(int steps, int flags) { 795 ensureValidSteps(steps); 796 int volume = Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME); 797 int delta = 0; 798 int numSteps = Math.abs(steps); 799 int direction = steps > 0 ? AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER; 800 for (int i = 0; i < numSteps; ++i) { 801 delta = findVolumeDelta(direction, volume); 802 volume += delta; 803 } 804 805 //Log.d(TAG, "adjustMasterVolume volume: " + volume + " steps: " + steps); 806 setMasterVolume(volume, flags); 807 } 808 809 /** @see AudioManager#setStreamVolume(int, int, int) */ 810 public void setStreamVolume(int streamType, int index, int flags) { 811 ensureValidStreamType(streamType); 812 VolumeStreamState streamState = mStreamStates[mStreamVolumeAlias[streamType]]; 813 814 final int device = getDeviceForStream(streamType); 815 // get last audible index if stream is muted, current index otherwise 816 final int oldIndex = streamState.getIndex(device, 817 (streamState.muteCount() != 0) /* lastAudible */); 818 819 index = rescaleIndex(index * 10, streamType, mStreamVolumeAlias[streamType]); 820 821 // setting volume on master stream type also controls silent mode 822 if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || 823 (mStreamVolumeAlias[streamType] == getMasterStreamType())) { 824 int newRingerMode; 825 if (index == 0) { 826 newRingerMode = mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE 827 : AudioManager.RINGER_MODE_SILENT; 828 setStreamVolumeInt(mStreamVolumeAlias[streamType], 829 index, 830 device, 831 false, 832 true); 833 } else { 834 newRingerMode = AudioManager.RINGER_MODE_NORMAL; 835 } 836 setRingerMode(newRingerMode); 837 } 838 839 setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, false, true); 840 // get last audible index if stream is muted, current index otherwise 841 index = mStreamStates[streamType].getIndex(device, 842 (mStreamStates[streamType].muteCount() != 0) /* lastAudible */); 843 844 sendVolumeUpdate(streamType, oldIndex, index, flags); 845 } 846 847 /** @see AudioManager#forceVolumeControlStream(int) */ 848 public void forceVolumeControlStream(int streamType, IBinder cb) { 849 synchronized(mForceControlStreamLock) { 850 mVolumeControlStream = streamType; 851 if (mVolumeControlStream == -1) { 852 if (mForceControlStreamClient != null) { 853 mForceControlStreamClient.release(); 854 mForceControlStreamClient = null; 855 } 856 } else { 857 mForceControlStreamClient = new ForceControlStreamClient(cb); 858 } 859 } 860 } 861 862 private class ForceControlStreamClient implements IBinder.DeathRecipient { 863 private IBinder mCb; // To be notified of client's death 864 865 ForceControlStreamClient(IBinder cb) { 866 if (cb != null) { 867 try { 868 cb.linkToDeath(this, 0); 869 } catch (RemoteException e) { 870 // Client has died! 871 Log.w(TAG, "ForceControlStreamClient() could not link to "+cb+" binder death"); 872 cb = null; 873 } 874 } 875 mCb = cb; 876 } 877 878 public void binderDied() { 879 synchronized(mForceControlStreamLock) { 880 Log.w(TAG, "SCO client died"); 881 if (mForceControlStreamClient != this) { 882 Log.w(TAG, "unregistered control stream client died"); 883 } else { 884 mForceControlStreamClient = null; 885 mVolumeControlStream = -1; 886 } 887 } 888 } 889 890 public void release() { 891 if (mCb != null) { 892 mCb.unlinkToDeath(this, 0); 893 mCb = null; 894 } 895 } 896 } 897 898 private int findVolumeDelta(int direction, int volume) { 899 int delta = 0; 900 if (direction == AudioManager.ADJUST_RAISE) { 901 if (volume == MAX_MASTER_VOLUME) { 902 return 0; 903 } 904 // This is the default value if we make it to the end 905 delta = mMasterVolumeRamp[1]; 906 // If we're raising the volume move down the ramp array until we 907 // find the volume we're above and use that groups delta. 908 for (int i = mMasterVolumeRamp.length - 1; i > 1; i -= 2) { 909 if (volume >= mMasterVolumeRamp[i - 1]) { 910 delta = mMasterVolumeRamp[i]; 911 break; 912 } 913 } 914 } else if (direction == AudioManager.ADJUST_LOWER){ 915 if (volume == 0) { 916 return 0; 917 } 918 int length = mMasterVolumeRamp.length; 919 // This is the default value if we make it to the end 920 delta = -mMasterVolumeRamp[length - 1]; 921 // If we're lowering the volume move up the ramp array until we 922 // find the volume we're below and use the group below it's delta 923 for (int i = 2; i < length; i += 2) { 924 if (volume <= mMasterVolumeRamp[i]) { 925 delta = -mMasterVolumeRamp[i - 1]; 926 break; 927 } 928 } 929 } 930 return delta; 931 } 932 933 // UI update and Broadcast Intent 934 private void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) { 935 if (!mVoiceCapable && (streamType == AudioSystem.STREAM_RING)) { 936 streamType = AudioSystem.STREAM_NOTIFICATION; 937 } 938 939 mVolumePanel.postVolumeChanged(streamType, flags); 940 941 oldIndex = (oldIndex + 5) / 10; 942 index = (index + 5) / 10; 943 Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); 944 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); 945 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); 946 intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); 947 mContext.sendBroadcast(intent); 948 } 949 950 // UI update and Broadcast Intent 951 private void sendMasterVolumeUpdate(int flags, int oldVolume, int newVolume) { 952 mVolumePanel.postMasterVolumeChanged(flags); 953 954 Intent intent = new Intent(AudioManager.MASTER_VOLUME_CHANGED_ACTION); 955 intent.putExtra(AudioManager.EXTRA_PREV_MASTER_VOLUME_VALUE, oldVolume); 956 intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_VALUE, newVolume); 957 mContext.sendBroadcast(intent); 958 } 959 960 // UI update and Broadcast Intent 961 private void sendMasterMuteUpdate(boolean muted, int flags) { 962 mVolumePanel.postMasterMuteChanged(flags); 963 broadcastMasterMuteStatus(muted); 964 } 965 966 private void broadcastMasterMuteStatus(boolean muted) { 967 Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION); 968 intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, muted); 969 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 970 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 971 long origCallerIdentityToken = Binder.clearCallingIdentity(); 972 mContext.sendStickyBroadcast(intent); 973 Binder.restoreCallingIdentity(origCallerIdentityToken); 974 } 975 976 /** 977 * Sets the stream state's index, and posts a message to set system volume. 978 * This will not call out to the UI. Assumes a valid stream type. 979 * 980 * @param streamType Type of the stream 981 * @param index Desired volume index of the stream 982 * @param device the device whose volume must be changed 983 * @param force If true, set the volume even if the desired volume is same 984 * as the current volume. 985 * @param lastAudible If true, stores new index as last audible one 986 */ 987 private void setStreamVolumeInt(int streamType, 988 int index, 989 int device, 990 boolean force, 991 boolean lastAudible) { 992 VolumeStreamState streamState = mStreamStates[streamType]; 993 994 // If stream is muted, set last audible index only 995 if (streamState.muteCount() != 0) { 996 // Do not allow last audible index to be 0 997 if (index != 0) { 998 streamState.setLastAudibleIndex(index, device); 999 // Post a persist volume msg 1000 sendMsg(mAudioHandler, 1001 MSG_PERSIST_VOLUME, 1002 SENDMSG_QUEUE, 1003 PERSIST_LAST_AUDIBLE, 1004 device, 1005 streamState, 1006 PERSIST_DELAY); 1007 } 1008 } else { 1009 if (streamState.setIndex(index, device, lastAudible) || force) { 1010 // Post message to set system volume (it in turn will post a message 1011 // to persist). 1012 sendMsg(mAudioHandler, 1013 MSG_SET_DEVICE_VOLUME, 1014 SENDMSG_QUEUE, 1015 device, 1016 0, 1017 streamState, 1018 0); 1019 } 1020 } 1021 } 1022 1023 /** @see AudioManager#setStreamSolo(int, boolean) */ 1024 public void setStreamSolo(int streamType, boolean state, IBinder cb) { 1025 for (int stream = 0; stream < mStreamStates.length; stream++) { 1026 if (!isStreamAffectedByMute(stream) || stream == streamType) continue; 1027 // Bring back last audible volume 1028 mStreamStates[stream].mute(cb, state); 1029 } 1030 } 1031 1032 /** @see AudioManager#setStreamMute(int, boolean) */ 1033 public void setStreamMute(int streamType, boolean state, IBinder cb) { 1034 if (isStreamAffectedByMute(streamType)) { 1035 mStreamStates[streamType].mute(cb, state); 1036 } 1037 } 1038 1039 /** get stream mute state. */ 1040 public boolean isStreamMute(int streamType) { 1041 return (mStreamStates[streamType].muteCount() != 0); 1042 } 1043 1044 /** @see AudioManager#setMasterMute(boolean, IBinder) */ 1045 public void setMasterMute(boolean state, int flags, IBinder cb) { 1046 if (state != AudioSystem.getMasterMute()) { 1047 AudioSystem.setMasterMute(state); 1048 // Post a persist master volume msg 1049 sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME_MUTE, SENDMSG_REPLACE, state ? 1 1050 : 0, 0, null, PERSIST_DELAY); 1051 sendMasterMuteUpdate(state, flags); 1052 } 1053 } 1054 1055 /** get master mute state. */ 1056 public boolean isMasterMute() { 1057 return AudioSystem.getMasterMute(); 1058 } 1059 1060 /** @see AudioManager#getStreamVolume(int) */ 1061 public int getStreamVolume(int streamType) { 1062 ensureValidStreamType(streamType); 1063 int device = getDeviceForStream(streamType); 1064 return (mStreamStates[streamType].getIndex(device, false /* lastAudible */) + 5) / 10; 1065 } 1066 1067 public int getMasterVolume() { 1068 if (isMasterMute()) return 0; 1069 return getLastAudibleMasterVolume(); 1070 } 1071 1072 public void setMasterVolume(int volume, int flags) { 1073 if (volume < 0) { 1074 volume = 0; 1075 } else if (volume > MAX_MASTER_VOLUME) { 1076 volume = MAX_MASTER_VOLUME; 1077 } 1078 doSetMasterVolume((float)volume / MAX_MASTER_VOLUME, flags); 1079 } 1080 1081 private void doSetMasterVolume(float volume, int flags) { 1082 // don't allow changing master volume when muted 1083 if (!AudioSystem.getMasterMute()) { 1084 int oldVolume = getMasterVolume(); 1085 AudioSystem.setMasterVolume(volume); 1086 1087 int newVolume = getMasterVolume(); 1088 if (newVolume != oldVolume) { 1089 // Post a persist master volume msg 1090 sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME, SENDMSG_REPLACE, 1091 Math.round(volume * (float)1000.0), 0, null, PERSIST_DELAY); 1092 } 1093 // Send the volume update regardless whether there was a change. 1094 sendMasterVolumeUpdate(flags, oldVolume, newVolume); 1095 } 1096 } 1097 1098 /** @see AudioManager#getStreamMaxVolume(int) */ 1099 public int getStreamMaxVolume(int streamType) { 1100 ensureValidStreamType(streamType); 1101 return (mStreamStates[streamType].getMaxIndex() + 5) / 10; 1102 } 1103 1104 public int getMasterMaxVolume() { 1105 return MAX_MASTER_VOLUME; 1106 } 1107 1108 /** Get last audible volume before stream was muted. */ 1109 public int getLastAudibleStreamVolume(int streamType) { 1110 ensureValidStreamType(streamType); 1111 int device = getDeviceForStream(streamType); 1112 return (mStreamStates[streamType].getIndex(device, true /* lastAudible */) + 5) / 10; 1113 } 1114 1115 /** Get last audible master volume before it was muted. */ 1116 public int getLastAudibleMasterVolume() { 1117 return Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME); 1118 } 1119 1120 /** @see AudioManager#getMasterStreamType(int) */ 1121 public int getMasterStreamType() { 1122 if (mVoiceCapable) { 1123 return AudioSystem.STREAM_RING; 1124 } else { 1125 return AudioSystem.STREAM_MUSIC; 1126 } 1127 } 1128 1129 /** @see AudioManager#getRingerMode() */ 1130 public int getRingerMode() { 1131 synchronized(mSettingsLock) { 1132 return mRingerMode; 1133 } 1134 } 1135 1136 private void ensureValidRingerMode(int ringerMode) { 1137 if (!AudioManager.isValidRingerMode(ringerMode)) { 1138 throw new IllegalArgumentException("Bad ringer mode " + ringerMode); 1139 } 1140 } 1141 1142 /** @see AudioManager#setRingerMode(int) */ 1143 public void setRingerMode(int ringerMode) { 1144 if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { 1145 ringerMode = AudioManager.RINGER_MODE_SILENT; 1146 } 1147 if (ringerMode != getRingerMode()) { 1148 setRingerModeInt(ringerMode, true); 1149 // Send sticky broadcast 1150 broadcastRingerMode(ringerMode); 1151 } 1152 } 1153 1154 private void setRingerModeInt(int ringerMode, boolean persist) { 1155 synchronized(mSettingsLock) { 1156 mRingerMode = ringerMode; 1157 } 1158 1159 // Mute stream if not previously muted by ringer mode and ringer mode 1160 // is not RINGER_MODE_NORMAL and stream is affected by ringer mode. 1161 // Unmute stream if previously muted by ringer mode and ringer mode 1162 // is RINGER_MODE_NORMAL or stream is not affected by ringer mode. 1163 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1164 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1165 if (isStreamMutedByRingerMode(streamType)) { 1166 if (!isStreamAffectedByRingerMode(streamType) || 1167 ringerMode == AudioManager.RINGER_MODE_NORMAL) { 1168 // ring and notifications volume should never be 0 when not silenced 1169 // on voice capable devices 1170 if (mVoiceCapable && 1171 mStreamVolumeAlias[streamType] == AudioSystem.STREAM_RING) { 1172 synchronized (mStreamStates[streamType]) { 1173 Set set = mStreamStates[streamType].mLastAudibleIndex.entrySet(); 1174 Iterator i = set.iterator(); 1175 while (i.hasNext()) { 1176 Map.Entry entry = (Map.Entry)i.next(); 1177 if ((Integer)entry.getValue() == 0) { 1178 entry.setValue(10); 1179 } 1180 } 1181 } 1182 } 1183 mStreamStates[streamType].mute(null, false); 1184 mRingerModeMutedStreams &= ~(1 << streamType); 1185 } 1186 } else { 1187 if (isStreamAffectedByRingerMode(streamType) && 1188 ringerMode != AudioManager.RINGER_MODE_NORMAL) { 1189 mStreamStates[streamType].mute(null, true); 1190 mRingerModeMutedStreams |= (1 << streamType); 1191 } 1192 } 1193 } 1194 1195 // Post a persist ringer mode msg 1196 if (persist) { 1197 sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, 1198 SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); 1199 } 1200 } 1201 1202 private void restoreMasterVolume() { 1203 if (mUseMasterVolume) { 1204 float volume = Settings.System.getFloat(mContentResolver, 1205 Settings.System.VOLUME_MASTER, -1.0f); 1206 if (volume >= 0.0f) { 1207 AudioSystem.setMasterVolume(volume); 1208 } 1209 } 1210 } 1211 1212 /** @see AudioManager#shouldVibrate(int) */ 1213 public boolean shouldVibrate(int vibrateType) { 1214 if (!mHasVibrator) return false; 1215 1216 switch (getVibrateSetting(vibrateType)) { 1217 1218 case AudioManager.VIBRATE_SETTING_ON: 1219 return getRingerMode() != AudioManager.RINGER_MODE_SILENT; 1220 1221 case AudioManager.VIBRATE_SETTING_ONLY_SILENT: 1222 return getRingerMode() == AudioManager.RINGER_MODE_VIBRATE; 1223 1224 case AudioManager.VIBRATE_SETTING_OFF: 1225 // return false, even for incoming calls 1226 return false; 1227 1228 default: 1229 return false; 1230 } 1231 } 1232 1233 /** @see AudioManager#getVibrateSetting(int) */ 1234 public int getVibrateSetting(int vibrateType) { 1235 if (!mHasVibrator) return AudioManager.VIBRATE_SETTING_OFF; 1236 return (mVibrateSetting >> (vibrateType * 2)) & 3; 1237 } 1238 1239 /** @see AudioManager#setVibrateSetting(int, int) */ 1240 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 1241 1242 if (!mHasVibrator) return; 1243 1244 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); 1245 1246 // Broadcast change 1247 broadcastVibrateSetting(vibrateType); 1248 1249 } 1250 1251 /** 1252 * @see #setVibrateSetting(int, int) 1253 */ 1254 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 1255 int vibrateSetting) { 1256 1257 // First clear the existing setting. Each vibrate type has two bits in 1258 // the value. Note '3' is '11' in binary. 1259 existingValue &= ~(3 << (vibrateType * 2)); 1260 1261 // Set into the old value 1262 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 1263 1264 return existingValue; 1265 } 1266 1267 private class SetModeDeathHandler implements IBinder.DeathRecipient { 1268 private IBinder mCb; // To be notified of client's death 1269 private int mPid; 1270 private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client 1271 1272 SetModeDeathHandler(IBinder cb, int pid) { 1273 mCb = cb; 1274 mPid = pid; 1275 } 1276 1277 public void binderDied() { 1278 int newModeOwnerPid = 0; 1279 synchronized(mSetModeDeathHandlers) { 1280 Log.w(TAG, "setMode() client died"); 1281 int index = mSetModeDeathHandlers.indexOf(this); 1282 if (index < 0) { 1283 Log.w(TAG, "unregistered setMode() client died"); 1284 } else { 1285 newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid); 1286 } 1287 } 1288 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 1289 // SCO connections not started by the application changing the mode 1290 if (newModeOwnerPid != 0) { 1291 disconnectBluetoothSco(newModeOwnerPid); 1292 } 1293 } 1294 1295 public int getPid() { 1296 return mPid; 1297 } 1298 1299 public void setMode(int mode) { 1300 mMode = mode; 1301 } 1302 1303 public int getMode() { 1304 return mMode; 1305 } 1306 1307 public IBinder getBinder() { 1308 return mCb; 1309 } 1310 } 1311 1312 /** @see AudioManager#setMode(int) */ 1313 public void setMode(int mode, IBinder cb) { 1314 if (!checkAudioSettingsPermission("setMode()")) { 1315 return; 1316 } 1317 1318 if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) { 1319 return; 1320 } 1321 1322 int newModeOwnerPid = 0; 1323 synchronized(mSetModeDeathHandlers) { 1324 if (mode == AudioSystem.MODE_CURRENT) { 1325 mode = mMode; 1326 } 1327 newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid()); 1328 } 1329 // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all 1330 // SCO connections not started by the application changing the mode 1331 if (newModeOwnerPid != 0) { 1332 disconnectBluetoothSco(newModeOwnerPid); 1333 } 1334 } 1335 1336 // must be called synchronized on mSetModeDeathHandlers 1337 // setModeInt() returns a valid PID if the audio mode was successfully set to 1338 // any mode other than NORMAL. 1339 int setModeInt(int mode, IBinder cb, int pid) { 1340 int newModeOwnerPid = 0; 1341 if (cb == null) { 1342 Log.e(TAG, "setModeInt() called with null binder"); 1343 return newModeOwnerPid; 1344 } 1345 1346 SetModeDeathHandler hdlr = null; 1347 Iterator iter = mSetModeDeathHandlers.iterator(); 1348 while (iter.hasNext()) { 1349 SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); 1350 if (h.getPid() == pid) { 1351 hdlr = h; 1352 // Remove from client list so that it is re-inserted at top of list 1353 iter.remove(); 1354 hdlr.getBinder().unlinkToDeath(hdlr, 0); 1355 break; 1356 } 1357 } 1358 int status = AudioSystem.AUDIO_STATUS_OK; 1359 do { 1360 if (mode == AudioSystem.MODE_NORMAL) { 1361 // get new mode from client at top the list if any 1362 if (!mSetModeDeathHandlers.isEmpty()) { 1363 hdlr = mSetModeDeathHandlers.get(0); 1364 cb = hdlr.getBinder(); 1365 mode = hdlr.getMode(); 1366 } 1367 } else { 1368 if (hdlr == null) { 1369 hdlr = new SetModeDeathHandler(cb, pid); 1370 } 1371 // Register for client death notification 1372 try { 1373 cb.linkToDeath(hdlr, 0); 1374 } catch (RemoteException e) { 1375 // Client has died! 1376 Log.w(TAG, "setMode() could not link to "+cb+" binder death"); 1377 } 1378 1379 // Last client to call setMode() is always at top of client list 1380 // as required by SetModeDeathHandler.binderDied() 1381 mSetModeDeathHandlers.add(0, hdlr); 1382 hdlr.setMode(mode); 1383 } 1384 1385 if (mode != mMode) { 1386 status = AudioSystem.setPhoneState(mode); 1387 if (status == AudioSystem.AUDIO_STATUS_OK) { 1388 mMode = mode; 1389 } else { 1390 if (hdlr != null) { 1391 mSetModeDeathHandlers.remove(hdlr); 1392 cb.unlinkToDeath(hdlr, 0); 1393 } 1394 // force reading new top of mSetModeDeathHandlers stack 1395 mode = AudioSystem.MODE_NORMAL; 1396 } 1397 } else { 1398 status = AudioSystem.AUDIO_STATUS_OK; 1399 } 1400 } while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty()); 1401 1402 if (status == AudioSystem.AUDIO_STATUS_OK) { 1403 if (mode != AudioSystem.MODE_NORMAL) { 1404 if (mSetModeDeathHandlers.isEmpty()) { 1405 Log.e(TAG, "setMode() different from MODE_NORMAL with empty mode client stack"); 1406 } else { 1407 newModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); 1408 } 1409 } 1410 int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); 1411 if (streamType == STREAM_REMOTE_MUSIC) { 1412 // here handle remote media playback the same way as local playback 1413 streamType = AudioManager.STREAM_MUSIC; 1414 } 1415 int device = getDeviceForStream(streamType); 1416 int index = mStreamStates[mStreamVolumeAlias[streamType]].getIndex(device, false); 1417 setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, true, false); 1418 1419 updateStreamVolumeAlias(true /*updateVolumes*/); 1420 } 1421 return newModeOwnerPid; 1422 } 1423 1424 /** @see AudioManager#getMode() */ 1425 public int getMode() { 1426 return mMode; 1427 } 1428 1429 /** @see AudioManager#playSoundEffect(int) */ 1430 public void playSoundEffect(int effectType) { 1431 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1432 effectType, -1, null, 0); 1433 } 1434 1435 /** @see AudioManager#playSoundEffect(int, float) */ 1436 public void playSoundEffectVolume(int effectType, float volume) { 1437 loadSoundEffects(); 1438 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_NOOP, 1439 effectType, (int) (volume * 1000), null, 0); 1440 } 1441 1442 /** 1443 * Loads samples into the soundpool. 1444 * This method must be called at first when sound effects are enabled 1445 */ 1446 public boolean loadSoundEffects() { 1447 int status; 1448 1449 synchronized (mSoundEffectsLock) { 1450 if (!mBootCompleted) { 1451 Log.w(TAG, "loadSoundEffects() called before boot complete"); 1452 return false; 1453 } 1454 1455 if (mSoundPool != null) { 1456 return true; 1457 } 1458 mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); 1459 1460 try { 1461 mSoundPoolCallBack = null; 1462 mSoundPoolListenerThread = new SoundPoolListenerThread(); 1463 mSoundPoolListenerThread.start(); 1464 // Wait for mSoundPoolCallBack to be set by the other thread 1465 mSoundEffectsLock.wait(); 1466 } catch (InterruptedException e) { 1467 Log.w(TAG, "Interrupted while waiting sound pool listener thread."); 1468 } 1469 1470 if (mSoundPoolCallBack == null) { 1471 Log.w(TAG, "loadSoundEffects() could not create SoundPool listener or thread"); 1472 if (mSoundPoolLooper != null) { 1473 mSoundPoolLooper.quit(); 1474 mSoundPoolLooper = null; 1475 } 1476 mSoundPoolListenerThread = null; 1477 mSoundPool.release(); 1478 mSoundPool = null; 1479 return false; 1480 } 1481 /* 1482 * poolId table: The value -1 in this table indicates that corresponding 1483 * file (same index in SOUND_EFFECT_FILES[] has not been loaded. 1484 * Once loaded, the value in poolId is the sample ID and the same 1485 * sample can be reused for another effect using the same file. 1486 */ 1487 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1488 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1489 poolId[fileIdx] = -1; 1490 } 1491 /* 1492 * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. 1493 * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: 1494 * this indicates we have a valid sample loaded for this effect. 1495 */ 1496 1497 int lastSample = 0; 1498 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1499 // Do not load sample if this effect uses the MediaPlayer 1500 if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { 1501 continue; 1502 } 1503 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { 1504 String filePath = Environment.getRootDirectory() 1505 + SOUND_EFFECTS_PATH 1506 + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; 1507 int sampleId = mSoundPool.load(filePath, 0); 1508 if (sampleId <= 0) { 1509 Log.w(TAG, "Soundpool could not load file: "+filePath); 1510 } else { 1511 SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; 1512 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; 1513 lastSample = sampleId; 1514 } 1515 } else { 1516 SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; 1517 } 1518 } 1519 // wait for all samples to be loaded 1520 if (lastSample != 0) { 1521 mSoundPoolCallBack.setLastSample(lastSample); 1522 1523 try { 1524 mSoundEffectsLock.wait(); 1525 status = mSoundPoolCallBack.status(); 1526 } catch (java.lang.InterruptedException e) { 1527 Log.w(TAG, "Interrupted while waiting sound pool callback."); 1528 status = -1; 1529 } 1530 } else { 1531 status = -1; 1532 } 1533 1534 if (mSoundPoolLooper != null) { 1535 mSoundPoolLooper.quit(); 1536 mSoundPoolLooper = null; 1537 } 1538 mSoundPoolListenerThread = null; 1539 if (status != 0) { 1540 Log.w(TAG, 1541 "loadSoundEffects(), Error " 1542 + ((lastSample != 0) ? mSoundPoolCallBack.status() : -1) 1543 + " while loading samples"); 1544 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1545 if (SOUND_EFFECT_FILES_MAP[effect][1] > 0) { 1546 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1547 } 1548 } 1549 1550 mSoundPool.release(); 1551 mSoundPool = null; 1552 } 1553 } 1554 return (status == 0); 1555 } 1556 1557 /** 1558 * Unloads samples from the sound pool. 1559 * This method can be called to free some memory when 1560 * sound effects are disabled. 1561 */ 1562 public void unloadSoundEffects() { 1563 synchronized (mSoundEffectsLock) { 1564 if (mSoundPool == null) { 1565 return; 1566 } 1567 1568 mAudioHandler.removeMessages(MSG_LOAD_SOUND_EFFECTS); 1569 mAudioHandler.removeMessages(MSG_PLAY_SOUND_EFFECT); 1570 1571 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 1572 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 1573 poolId[fileIdx] = 0; 1574 } 1575 1576 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 1577 if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { 1578 continue; 1579 } 1580 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { 1581 mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); 1582 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 1583 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; 1584 } 1585 } 1586 mSoundPool.release(); 1587 mSoundPool = null; 1588 } 1589 } 1590 1591 class SoundPoolListenerThread extends Thread { 1592 public SoundPoolListenerThread() { 1593 super("SoundPoolListenerThread"); 1594 } 1595 1596 @Override 1597 public void run() { 1598 1599 Looper.prepare(); 1600 mSoundPoolLooper = Looper.myLooper(); 1601 1602 synchronized (mSoundEffectsLock) { 1603 if (mSoundPool != null) { 1604 mSoundPoolCallBack = new SoundPoolCallback(); 1605 mSoundPool.setOnLoadCompleteListener(mSoundPoolCallBack); 1606 } 1607 mSoundEffectsLock.notify(); 1608 } 1609 Looper.loop(); 1610 } 1611 } 1612 1613 private final class SoundPoolCallback implements 1614 android.media.SoundPool.OnLoadCompleteListener { 1615 1616 int mStatus; 1617 int mLastSample; 1618 1619 public int status() { 1620 return mStatus; 1621 } 1622 1623 public void setLastSample(int sample) { 1624 mLastSample = sample; 1625 } 1626 1627 public void onLoadComplete(SoundPool soundPool, int sampleId, int status) { 1628 synchronized (mSoundEffectsLock) { 1629 if (status != 0) { 1630 mStatus = status; 1631 } 1632 if (sampleId == mLastSample) { 1633 mSoundEffectsLock.notify(); 1634 } 1635 } 1636 } 1637 } 1638 1639 /** @see AudioManager#reloadAudioSettings() */ 1640 public void reloadAudioSettings() { 1641 // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings 1642 readPersistedSettings(); 1643 1644 // restore volume settings 1645 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1646 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 1647 VolumeStreamState streamState = mStreamStates[streamType]; 1648 1649 synchronized (streamState) { 1650 streamState.readSettings(); 1651 1652 // unmute stream that was muted but is not affect by mute anymore 1653 if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { 1654 int size = streamState.mDeathHandlers.size(); 1655 for (int i = 0; i < size; i++) { 1656 streamState.mDeathHandlers.get(i).mMuteCount = 1; 1657 streamState.mDeathHandlers.get(i).mute(false); 1658 } 1659 } 1660 } 1661 } 1662 1663 checkAllAliasStreamVolumes(); 1664 1665 // apply new ringer mode 1666 setRingerModeInt(getRingerMode(), false); 1667 } 1668 1669 /** @see AudioManager#setSpeakerphoneOn() */ 1670 public void setSpeakerphoneOn(boolean on){ 1671 if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { 1672 return; 1673 } 1674 mForcedUseForComm = on ? AudioSystem.FORCE_SPEAKER : AudioSystem.FORCE_NONE; 1675 1676 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1677 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1678 } 1679 1680 /** @see AudioManager#isSpeakerphoneOn() */ 1681 public boolean isSpeakerphoneOn() { 1682 return (mForcedUseForComm == AudioSystem.FORCE_SPEAKER); 1683 } 1684 1685 /** @see AudioManager#setBluetoothScoOn() */ 1686 public void setBluetoothScoOn(boolean on){ 1687 if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { 1688 return; 1689 } 1690 mForcedUseForComm = on ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE; 1691 1692 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1693 AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0); 1694 sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, 1695 AudioSystem.FOR_RECORD, mForcedUseForComm, null, 0); 1696 } 1697 1698 /** @see AudioManager#isBluetoothScoOn() */ 1699 public boolean isBluetoothScoOn() { 1700 return (mForcedUseForComm == AudioSystem.FORCE_BT_SCO); 1701 } 1702 1703 /** @see AudioManager#setBluetoothA2dpOn() */ 1704 public void setBluetoothA2dpOn(boolean on) { 1705 synchronized (mBluetoothA2dpEnabledLock) { 1706 mBluetoothA2dpEnabled = on; 1707 sendMsg(mAudioHandler, MSG_SET_FORCE_BT_A2DP_USE, SENDMSG_QUEUE, 1708 AudioSystem.FOR_MEDIA, 1709 mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP, 1710 null, 0); 1711 } 1712 } 1713 1714 /** @see AudioManager#isBluetoothA2dpOn() */ 1715 public boolean isBluetoothA2dpOn() { 1716 synchronized (mBluetoothA2dpEnabledLock) { 1717 return mBluetoothA2dpEnabled; 1718 } 1719 } 1720 1721 /** @see AudioManager#startBluetoothSco() */ 1722 public void startBluetoothSco(IBinder cb){ 1723 if (!checkAudioSettingsPermission("startBluetoothSco()") || 1724 !mBootCompleted) { 1725 return; 1726 } 1727 ScoClient client = getScoClient(cb, true); 1728 client.incCount(); 1729 } 1730 1731 /** @see AudioManager#stopBluetoothSco() */ 1732 public void stopBluetoothSco(IBinder cb){ 1733 if (!checkAudioSettingsPermission("stopBluetoothSco()") || 1734 !mBootCompleted) { 1735 return; 1736 } 1737 ScoClient client = getScoClient(cb, false); 1738 if (client != null) { 1739 client.decCount(); 1740 } 1741 } 1742 1743 1744 private class ScoClient implements IBinder.DeathRecipient { 1745 private IBinder mCb; // To be notified of client's death 1746 private int mCreatorPid; 1747 private int mStartcount; // number of SCO connections started by this client 1748 1749 ScoClient(IBinder cb) { 1750 mCb = cb; 1751 mCreatorPid = Binder.getCallingPid(); 1752 mStartcount = 0; 1753 } 1754 1755 public void binderDied() { 1756 synchronized(mScoClients) { 1757 Log.w(TAG, "SCO client died"); 1758 int index = mScoClients.indexOf(this); 1759 if (index < 0) { 1760 Log.w(TAG, "unregistered SCO client died"); 1761 } else { 1762 clearCount(true); 1763 mScoClients.remove(this); 1764 } 1765 } 1766 } 1767 1768 public void incCount() { 1769 synchronized(mScoClients) { 1770 requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED); 1771 if (mStartcount == 0) { 1772 try { 1773 mCb.linkToDeath(this, 0); 1774 } catch (RemoteException e) { 1775 // client has already died! 1776 Log.w(TAG, "ScoClient incCount() could not link to "+mCb+" binder death"); 1777 } 1778 } 1779 mStartcount++; 1780 } 1781 } 1782 1783 public void decCount() { 1784 synchronized(mScoClients) { 1785 if (mStartcount == 0) { 1786 Log.w(TAG, "ScoClient.decCount() already 0"); 1787 } else { 1788 mStartcount--; 1789 if (mStartcount == 0) { 1790 try { 1791 mCb.unlinkToDeath(this, 0); 1792 } catch (NoSuchElementException e) { 1793 Log.w(TAG, "decCount() going to 0 but not registered to binder"); 1794 } 1795 } 1796 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1797 } 1798 } 1799 } 1800 1801 public void clearCount(boolean stopSco) { 1802 synchronized(mScoClients) { 1803 if (mStartcount != 0) { 1804 try { 1805 mCb.unlinkToDeath(this, 0); 1806 } catch (NoSuchElementException e) { 1807 Log.w(TAG, "clearCount() mStartcount: "+mStartcount+" != 0 but not registered to binder"); 1808 } 1809 } 1810 mStartcount = 0; 1811 if (stopSco) { 1812 requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED); 1813 } 1814 } 1815 } 1816 1817 public int getCount() { 1818 return mStartcount; 1819 } 1820 1821 public IBinder getBinder() { 1822 return mCb; 1823 } 1824 1825 public int getPid() { 1826 return mCreatorPid; 1827 } 1828 1829 public int totalCount() { 1830 synchronized(mScoClients) { 1831 int count = 0; 1832 int size = mScoClients.size(); 1833 for (int i = 0; i < size; i++) { 1834 count += mScoClients.get(i).getCount(); 1835 } 1836 return count; 1837 } 1838 } 1839 1840 private void requestScoState(int state) { 1841 checkScoAudioState(); 1842 if (totalCount() == 0) { 1843 if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) { 1844 // Make sure that the state transitions to CONNECTING even if we cannot initiate 1845 // the connection. 1846 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTING); 1847 // Accept SCO audio activation only in NORMAL audio mode or if the mode is 1848 // currently controlled by the same client process. 1849 synchronized(mSetModeDeathHandlers) { 1850 if ((mSetModeDeathHandlers.isEmpty() || 1851 mSetModeDeathHandlers.get(0).getPid() == mCreatorPid) && 1852 (mScoAudioState == SCO_STATE_INACTIVE || 1853 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 1854 if (mScoAudioState == SCO_STATE_INACTIVE) { 1855 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1856 if (mBluetoothHeadset.startScoUsingVirtualVoiceCall( 1857 mBluetoothHeadsetDevice)) { 1858 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1859 } else { 1860 broadcastScoConnectionState( 1861 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1862 } 1863 } else if (getBluetoothHeadset()) { 1864 mScoAudioState = SCO_STATE_ACTIVATE_REQ; 1865 } 1866 } else { 1867 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 1868 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED); 1869 } 1870 } else { 1871 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1872 } 1873 } 1874 } else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED && 1875 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 1876 mScoAudioState == SCO_STATE_ACTIVATE_REQ)) { 1877 if (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL) { 1878 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) { 1879 if (!mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 1880 mBluetoothHeadsetDevice)) { 1881 mScoAudioState = SCO_STATE_INACTIVE; 1882 broadcastScoConnectionState( 1883 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1884 } 1885 } else if (getBluetoothHeadset()) { 1886 mScoAudioState = SCO_STATE_DEACTIVATE_REQ; 1887 } 1888 } else { 1889 mScoAudioState = SCO_STATE_INACTIVE; 1890 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1891 } 1892 } 1893 } 1894 } 1895 } 1896 1897 private void checkScoAudioState() { 1898 if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null && 1899 mScoAudioState == SCO_STATE_INACTIVE && 1900 mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice) 1901 != BluetoothHeadset.STATE_AUDIO_DISCONNECTED) { 1902 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 1903 } 1904 } 1905 1906 private ScoClient getScoClient(IBinder cb, boolean create) { 1907 synchronized(mScoClients) { 1908 ScoClient client = null; 1909 int size = mScoClients.size(); 1910 for (int i = 0; i < size; i++) { 1911 client = mScoClients.get(i); 1912 if (client.getBinder() == cb) 1913 return client; 1914 } 1915 if (create) { 1916 client = new ScoClient(cb); 1917 mScoClients.add(client); 1918 } 1919 return client; 1920 } 1921 } 1922 1923 public void clearAllScoClients(int exceptPid, boolean stopSco) { 1924 synchronized(mScoClients) { 1925 ScoClient savedClient = null; 1926 int size = mScoClients.size(); 1927 for (int i = 0; i < size; i++) { 1928 ScoClient cl = mScoClients.get(i); 1929 if (cl.getPid() != exceptPid) { 1930 cl.clearCount(stopSco); 1931 } else { 1932 savedClient = cl; 1933 } 1934 } 1935 mScoClients.clear(); 1936 if (savedClient != null) { 1937 mScoClients.add(savedClient); 1938 } 1939 } 1940 } 1941 1942 private boolean getBluetoothHeadset() { 1943 boolean result = false; 1944 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 1945 if (adapter != null) { 1946 result = adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 1947 BluetoothProfile.HEADSET); 1948 } 1949 // If we could not get a bluetooth headset proxy, send a failure message 1950 // without delay to reset the SCO audio state and clear SCO clients. 1951 // If we could get a proxy, send a delayed failure message that will reset our state 1952 // in case we don't receive onServiceConnected(). 1953 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1954 SENDMSG_REPLACE, 0, 0, null, result ? BT_HEADSET_CNCT_TIMEOUT_MS : 0); 1955 return result; 1956 } 1957 1958 private void disconnectBluetoothSco(int exceptPid) { 1959 synchronized(mScoClients) { 1960 checkScoAudioState(); 1961 if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL || 1962 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 1963 if (mBluetoothHeadsetDevice != null) { 1964 if (mBluetoothHeadset != null) { 1965 if (!mBluetoothHeadset.stopVoiceRecognition( 1966 mBluetoothHeadsetDevice)) { 1967 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 1968 SENDMSG_REPLACE, 0, 0, null, 0); 1969 } 1970 } else if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL && 1971 getBluetoothHeadset()) { 1972 mScoAudioState = SCO_STATE_DEACTIVATE_EXT_REQ; 1973 } 1974 } 1975 } else { 1976 clearAllScoClients(exceptPid, true); 1977 } 1978 } 1979 } 1980 1981 private void resetBluetoothSco() { 1982 synchronized(mScoClients) { 1983 clearAllScoClients(0, false); 1984 mScoAudioState = SCO_STATE_INACTIVE; 1985 broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 1986 } 1987 } 1988 1989 private void broadcastScoConnectionState(int state) { 1990 if (state != mScoConnectionState) { 1991 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED); 1992 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state); 1993 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE, 1994 mScoConnectionState); 1995 mContext.sendStickyBroadcast(newIntent); 1996 mScoConnectionState = state; 1997 } 1998 } 1999 2000 private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener = 2001 new BluetoothProfile.ServiceListener() { 2002 public void onServiceConnected(int profile, BluetoothProfile proxy) { 2003 BluetoothDevice btDevice; 2004 List<BluetoothDevice> deviceList; 2005 switch(profile) { 2006 case BluetoothProfile.A2DP: 2007 BluetoothA2dp a2dp = (BluetoothA2dp) proxy; 2008 deviceList = a2dp.getConnectedDevices(); 2009 if (deviceList.size() > 0) { 2010 btDevice = deviceList.get(0); 2011 synchronized (mConnectedDevices) { 2012 int state = a2dp.getConnectionState(btDevice); 2013 int delay = checkSendBecomingNoisyIntent( 2014 AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2015 (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0); 2016 queueMsgUnderWakeLock(mAudioHandler, 2017 MSG_SET_A2DP_CONNECTION_STATE, 2018 state, 2019 0, 2020 btDevice, 2021 delay); 2022 } 2023 } 2024 break; 2025 2026 case BluetoothProfile.HEADSET: 2027 synchronized (mScoClients) { 2028 // Discard timeout message 2029 mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED); 2030 mBluetoothHeadset = (BluetoothHeadset) proxy; 2031 deviceList = mBluetoothHeadset.getConnectedDevices(); 2032 if (deviceList.size() > 0) { 2033 mBluetoothHeadsetDevice = deviceList.get(0); 2034 } else { 2035 mBluetoothHeadsetDevice = null; 2036 } 2037 // Refresh SCO audio state 2038 checkScoAudioState(); 2039 // Continue pending action if any 2040 if (mScoAudioState == SCO_STATE_ACTIVATE_REQ || 2041 mScoAudioState == SCO_STATE_DEACTIVATE_REQ || 2042 mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) { 2043 boolean status = false; 2044 if (mBluetoothHeadsetDevice != null) { 2045 switch (mScoAudioState) { 2046 case SCO_STATE_ACTIVATE_REQ: 2047 mScoAudioState = SCO_STATE_ACTIVE_INTERNAL; 2048 status = mBluetoothHeadset.startScoUsingVirtualVoiceCall( 2049 mBluetoothHeadsetDevice); 2050 break; 2051 case SCO_STATE_DEACTIVATE_REQ: 2052 status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall( 2053 mBluetoothHeadsetDevice); 2054 break; 2055 case SCO_STATE_DEACTIVATE_EXT_REQ: 2056 status = mBluetoothHeadset.stopVoiceRecognition( 2057 mBluetoothHeadsetDevice); 2058 } 2059 } 2060 if (!status) { 2061 sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED, 2062 SENDMSG_REPLACE, 0, 0, null, 0); 2063 } 2064 } 2065 } 2066 break; 2067 2068 default: 2069 break; 2070 } 2071 } 2072 public void onServiceDisconnected(int profile) { 2073 switch(profile) { 2074 case BluetoothProfile.A2DP: 2075 synchronized (mConnectedDevices) { 2076 if (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)) { 2077 makeA2dpDeviceUnavailableNow( 2078 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)); 2079 } 2080 } 2081 break; 2082 2083 case BluetoothProfile.HEADSET: 2084 synchronized (mScoClients) { 2085 mBluetoothHeadset = null; 2086 } 2087 break; 2088 2089 default: 2090 break; 2091 } 2092 } 2093 }; 2094 2095 /////////////////////////////////////////////////////////////////////////// 2096 // Internal methods 2097 /////////////////////////////////////////////////////////////////////////// 2098 2099 /** 2100 * Checks if the adjustment should change ringer mode instead of just 2101 * adjusting volume. If so, this will set the proper ringer mode and volume 2102 * indices on the stream states. 2103 */ 2104 private boolean checkForRingerModeChange(int oldIndex, int direction, int step) { 2105 boolean adjustVolumeIndex = true; 2106 int ringerMode = getRingerMode(); 2107 2108 switch (ringerMode) { 2109 case RINGER_MODE_NORMAL: 2110 if (direction == AudioManager.ADJUST_LOWER) { 2111 if (mHasVibrator) { 2112 // "step" is the delta in internal index units corresponding to a 2113 // change of 1 in UI index units. 2114 // Because of rounding when rescaling from one stream index range to its alias 2115 // index range, we cannot simply test oldIndex == step: 2116 // (step <= oldIndex < 2 * step) is equivalent to: (old UI index == 1) 2117 if (step <= oldIndex && oldIndex < 2 * step) { 2118 ringerMode = RINGER_MODE_VIBRATE; 2119 } 2120 } else { 2121 // (oldIndex < step) is equivalent to (old UI index == 0) 2122 if ((oldIndex < step) && mPrevVolDirection != AudioManager.ADJUST_LOWER) { 2123 ringerMode = RINGER_MODE_SILENT; 2124 } 2125 } 2126 } 2127 break; 2128 case RINGER_MODE_VIBRATE: 2129 if (!mHasVibrator) { 2130 Log.e(TAG, "checkForRingerModeChange() current ringer mode is vibrate" + 2131 "but no vibrator is present"); 2132 break; 2133 } 2134 if ((direction == AudioManager.ADJUST_LOWER)) { 2135 if (mPrevVolDirection != AudioManager.ADJUST_LOWER) { 2136 ringerMode = RINGER_MODE_SILENT; 2137 } 2138 } else if (direction == AudioManager.ADJUST_RAISE) { 2139 ringerMode = RINGER_MODE_NORMAL; 2140 } 2141 adjustVolumeIndex = false; 2142 break; 2143 case RINGER_MODE_SILENT: 2144 if (direction == AudioManager.ADJUST_RAISE) { 2145 if (mHasVibrator) { 2146 ringerMode = RINGER_MODE_VIBRATE; 2147 } else { 2148 ringerMode = RINGER_MODE_NORMAL; 2149 } 2150 } 2151 adjustVolumeIndex = false; 2152 break; 2153 default: 2154 Log.e(TAG, "checkForRingerModeChange() wrong ringer mode: "+ringerMode); 2155 break; 2156 } 2157 2158 setRingerMode(ringerMode); 2159 2160 mPrevVolDirection = direction; 2161 2162 return adjustVolumeIndex; 2163 } 2164 2165 public boolean isStreamAffectedByRingerMode(int streamType) { 2166 return (mRingerModeAffectedStreams & (1 << streamType)) != 0; 2167 } 2168 2169 private boolean isStreamMutedByRingerMode(int streamType) { 2170 return (mRingerModeMutedStreams & (1 << streamType)) != 0; 2171 } 2172 2173 public boolean isStreamAffectedByMute(int streamType) { 2174 return (mMuteAffectedStreams & (1 << streamType)) != 0; 2175 } 2176 2177 private void ensureValidDirection(int direction) { 2178 if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { 2179 throw new IllegalArgumentException("Bad direction " + direction); 2180 } 2181 } 2182 2183 private void ensureValidSteps(int steps) { 2184 if (Math.abs(steps) > MAX_BATCH_VOLUME_ADJUST_STEPS) { 2185 throw new IllegalArgumentException("Bad volume adjust steps " + steps); 2186 } 2187 } 2188 2189 private void ensureValidStreamType(int streamType) { 2190 if (streamType < 0 || streamType >= mStreamStates.length) { 2191 throw new IllegalArgumentException("Bad stream type " + streamType); 2192 } 2193 } 2194 2195 private boolean isInCommunication() { 2196 boolean isOffhook = false; 2197 2198 if (mVoiceCapable) { 2199 try { 2200 ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 2201 if (phone != null) isOffhook = phone.isOffhook(); 2202 } catch (RemoteException e) { 2203 Log.w(TAG, "Couldn't connect to phone service", e); 2204 } 2205 } 2206 return (isOffhook || getMode() == AudioManager.MODE_IN_COMMUNICATION); 2207 } 2208 2209 private int getActiveStreamType(int suggestedStreamType) { 2210 if (mVoiceCapable) { 2211 if (isInCommunication()) { 2212 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 2213 == AudioSystem.FORCE_BT_SCO) { 2214 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 2215 return AudioSystem.STREAM_BLUETOOTH_SCO; 2216 } else { 2217 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 2218 return AudioSystem.STREAM_VOICE_CALL; 2219 } 2220 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 2221 // Having the suggested stream be USE_DEFAULT_STREAM_TYPE is how remote control 2222 // volume can have priority over STREAM_MUSIC 2223 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 2224 if (DEBUG_VOL) 2225 Log.v(TAG, "getActiveStreamType: Forcing STREAM_REMOTE_MUSIC"); 2226 return STREAM_REMOTE_MUSIC; 2227 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 2228 if (DEBUG_VOL) 2229 Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active"); 2230 return AudioSystem.STREAM_MUSIC; 2231 } else { 2232 if (DEBUG_VOL) 2233 Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING b/c default"); 2234 return AudioSystem.STREAM_RING; 2235 } 2236 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) { 2237 if (DEBUG_VOL) 2238 Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active"); 2239 return AudioSystem.STREAM_MUSIC; 2240 } else { 2241 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " 2242 + suggestedStreamType); 2243 return suggestedStreamType; 2244 } 2245 } else { 2246 if (isInCommunication()) { 2247 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) 2248 == AudioSystem.FORCE_BT_SCO) { 2249 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO"); 2250 return AudioSystem.STREAM_BLUETOOTH_SCO; 2251 } else { 2252 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL"); 2253 return AudioSystem.STREAM_VOICE_CALL; 2254 } 2255 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_NOTIFICATION, 2256 NOTIFICATION_VOLUME_DELAY_MS) || 2257 AudioSystem.isStreamActive(AudioSystem.STREAM_RING, 2258 NOTIFICATION_VOLUME_DELAY_MS)) { 2259 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION"); 2260 return AudioSystem.STREAM_NOTIFICATION; 2261 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 2262 if (checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) { 2263 // Having the suggested stream be USE_DEFAULT_STREAM_TYPE is how remote control 2264 // volume can have priority over STREAM_MUSIC 2265 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_REMOTE_MUSIC"); 2266 return STREAM_REMOTE_MUSIC; 2267 } else { 2268 if (DEBUG_VOL) 2269 Log.v(TAG, "getActiveStreamType: using STREAM_MUSIC as default"); 2270 return AudioSystem.STREAM_MUSIC; 2271 } 2272 } else { 2273 if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " 2274 + suggestedStreamType); 2275 return suggestedStreamType; 2276 } 2277 } 2278 } 2279 2280 private void broadcastRingerMode(int ringerMode) { 2281 // Send sticky broadcast 2282 Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); 2283 broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, ringerMode); 2284 broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 2285 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 2286 long origCallerIdentityToken = Binder.clearCallingIdentity(); 2287 mContext.sendStickyBroadcast(broadcast); 2288 Binder.restoreCallingIdentity(origCallerIdentityToken); 2289 } 2290 2291 private void broadcastVibrateSetting(int vibrateType) { 2292 // Send broadcast 2293 if (ActivityManagerNative.isSystemReady()) { 2294 Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); 2295 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); 2296 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); 2297 mContext.sendBroadcast(broadcast); 2298 } 2299 } 2300 2301 // Message helper methods 2302 /** 2303 * Queue a message on the given handler's message queue, after acquiring the service wake lock. 2304 * Note that the wake lock needs to be released after the message has been handled. 2305 */ 2306 private void queueMsgUnderWakeLock(Handler handler, int msg, 2307 int arg1, int arg2, Object obj, int delay) { 2308 mMediaEventWakeLock.acquire(); 2309 sendMsg(handler, msg, SENDMSG_QUEUE, arg1, arg2, obj, delay); 2310 } 2311 2312 private static void sendMsg(Handler handler, int msg, 2313 int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { 2314 2315 if (existingMsgPolicy == SENDMSG_REPLACE) { 2316 handler.removeMessages(msg); 2317 } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { 2318 return; 2319 } 2320 2321 handler.sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); 2322 } 2323 2324 boolean checkAudioSettingsPermission(String method) { 2325 if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") 2326 == PackageManager.PERMISSION_GRANTED) { 2327 return true; 2328 } 2329 String msg = "Audio Settings Permission Denial: " + method + " from pid=" 2330 + Binder.getCallingPid() 2331 + ", uid=" + Binder.getCallingUid(); 2332 Log.w(TAG, msg); 2333 return false; 2334 } 2335 2336 private int getDeviceForStream(int stream) { 2337 int device = AudioSystem.getDevicesForStream(stream); 2338 if ((device & (device - 1)) != 0) { 2339 // Multiple device selection is either: 2340 // - speaker + one other device: give priority to speaker in this case. 2341 // - one A2DP device + another device: happens with duplicated output. In this case 2342 // retain the device on the A2DP output as the other must not correspond to an active 2343 // selection if not the speaker. 2344 if ((device & AudioSystem.DEVICE_OUT_SPEAKER) != 0) { 2345 device = AudioSystem.DEVICE_OUT_SPEAKER; 2346 } else { 2347 device &= AudioSystem.DEVICE_OUT_ALL_A2DP; 2348 } 2349 } 2350 return device; 2351 } 2352 2353 public void setWiredDeviceConnectionState(int device, int state, String name) { 2354 synchronized (mConnectedDevices) { 2355 int delay = checkSendBecomingNoisyIntent(device, state); 2356 queueMsgUnderWakeLock(mAudioHandler, 2357 MSG_SET_WIRED_DEVICE_CONNECTION_STATE, 2358 device, 2359 state, 2360 name, 2361 delay); 2362 } 2363 } 2364 2365 public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state) 2366 { 2367 int delay; 2368 synchronized (mConnectedDevices) { 2369 delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 2370 (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0); 2371 queueMsgUnderWakeLock(mAudioHandler, 2372 MSG_SET_A2DP_CONNECTION_STATE, 2373 state, 2374 0, 2375 device, 2376 delay); 2377 } 2378 return delay; 2379 } 2380 2381 /////////////////////////////////////////////////////////////////////////// 2382 // Inner classes 2383 /////////////////////////////////////////////////////////////////////////// 2384 2385 public class VolumeStreamState { 2386 private final int mStreamType; 2387 2388 private String mVolumeIndexSettingName; 2389 private String mLastAudibleVolumeIndexSettingName; 2390 private int mIndexMax; 2391 private final ConcurrentHashMap<Integer, Integer> mIndex = 2392 new ConcurrentHashMap<Integer, Integer>(8, 0.75f, 4); 2393 private final ConcurrentHashMap<Integer, Integer> mLastAudibleIndex = 2394 new ConcurrentHashMap<Integer, Integer>(8, 0.75f, 4); 2395 private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo clients death 2396 2397 private VolumeStreamState(String settingName, int streamType) { 2398 2399 mVolumeIndexSettingName = settingName; 2400 mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 2401 2402 mStreamType = streamType; 2403 mIndexMax = MAX_STREAM_VOLUME[streamType]; 2404 AudioSystem.initStreamVolume(streamType, 0, mIndexMax); 2405 mIndexMax *= 10; 2406 2407 readSettings(); 2408 2409 mDeathHandlers = new ArrayList<VolumeDeathHandler>(); 2410 } 2411 2412 public String getSettingNameForDevice(boolean lastAudible, int device) { 2413 String name = lastAudible ? 2414 mLastAudibleVolumeIndexSettingName : 2415 mVolumeIndexSettingName; 2416 String suffix = AudioSystem.getDeviceName(device); 2417 if (suffix.isEmpty()) { 2418 return name; 2419 } 2420 return name + "_" + suffix; 2421 } 2422 2423 public synchronized void readSettings() { 2424 int remainingDevices = AudioSystem.DEVICE_OUT_ALL; 2425 2426 for (int i = 0; remainingDevices != 0; i++) { 2427 int device = (1 << i); 2428 if ((device & remainingDevices) == 0) { 2429 continue; 2430 } 2431 remainingDevices &= ~device; 2432 2433 // retrieve current volume for device 2434 String name = getSettingNameForDevice(false /* lastAudible */, device); 2435 // if no volume stored for current stream and device, use default volume if default 2436 // device, continue otherwise 2437 int defaultIndex = (device == AudioSystem.DEVICE_OUT_DEFAULT) ? 2438 AudioManager.DEFAULT_STREAM_VOLUME[mStreamType] : -1; 2439 int index = Settings.System.getInt(mContentResolver, name, defaultIndex); 2440 if (index == -1) { 2441 continue; 2442 } 2443 2444 // retrieve last audible volume for device 2445 name = getSettingNameForDevice(true /* lastAudible */, device); 2446 // use stored last audible index if present, otherwise use current index if not 0 2447 // or default index 2448 defaultIndex = (index > 0) ? 2449 index : AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]; 2450 int lastAudibleIndex = Settings.System.getInt(mContentResolver, name, defaultIndex); 2451 2452 // a last audible index of 0 should never be stored for ring and notification 2453 // streams on phones (voice capable devices). 2454 // same for system stream on phones and tablets 2455 if ((lastAudibleIndex == 0) && 2456 ((mVoiceCapable && 2457 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_RING)) || 2458 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_SYSTEM))) { 2459 lastAudibleIndex = AudioManager.DEFAULT_STREAM_VOLUME[mStreamType]; 2460 // Correct the data base 2461 sendMsg(mAudioHandler, 2462 MSG_PERSIST_VOLUME, 2463 SENDMSG_QUEUE, 2464 PERSIST_LAST_AUDIBLE, 2465 device, 2466 this, 2467 PERSIST_DELAY); 2468 } 2469 mLastAudibleIndex.put(device, getValidIndex(10 * lastAudibleIndex)); 2470 // the initial index should never be 0 for ring and notification streams on phones 2471 // (voice capable devices) if not in silent or vibrate mode. 2472 // same for system stream on phones and tablets 2473 if ((index == 0) && (mRingerMode == AudioManager.RINGER_MODE_NORMAL) && 2474 ((mVoiceCapable && 2475 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_RING)) || 2476 (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_SYSTEM))) { 2477 index = lastAudibleIndex; 2478 // Correct the data base 2479 sendMsg(mAudioHandler, 2480 MSG_PERSIST_VOLUME, 2481 SENDMSG_QUEUE, 2482 PERSIST_CURRENT, 2483 device, 2484 this, 2485 PERSIST_DELAY); 2486 } 2487 mIndex.put(device, getValidIndex(10 * index)); 2488 } 2489 } 2490 2491 public void applyDeviceVolume(int device) { 2492 AudioSystem.setStreamVolumeIndex(mStreamType, 2493 (getIndex(device, false /* lastAudible */) + 5)/10, 2494 device); 2495 } 2496 2497 public synchronized void applyAllVolumes() { 2498 // apply default volume first: by convention this will reset all 2499 // devices volumes in audio policy manager to the supplied value 2500 AudioSystem.setStreamVolumeIndex(mStreamType, 2501 (getIndex(AudioSystem.DEVICE_OUT_DEFAULT, false /* lastAudible */) + 5)/10, 2502 AudioSystem.DEVICE_OUT_DEFAULT); 2503 // then apply device specific volumes 2504 Set set = mIndex.entrySet(); 2505 Iterator i = set.iterator(); 2506 while (i.hasNext()) { 2507 Map.Entry entry = (Map.Entry)i.next(); 2508 int device = ((Integer)entry.getKey()).intValue(); 2509 if (device != AudioSystem.DEVICE_OUT_DEFAULT) { 2510 AudioSystem.setStreamVolumeIndex(mStreamType, 2511 ((Integer)entry.getValue() + 5)/10, 2512 device); 2513 } 2514 } 2515 } 2516 2517 public boolean adjustIndex(int deltaIndex, int device) { 2518 return setIndex(getIndex(device, 2519 false /* lastAudible */) + deltaIndex, 2520 device, 2521 true /* lastAudible */); 2522 } 2523 2524 public synchronized boolean setIndex(int index, int device, boolean lastAudible) { 2525 int oldIndex = getIndex(device, false /* lastAudible */); 2526 index = getValidIndex(index); 2527 mIndex.put(device, getValidIndex(index)); 2528 2529 if (oldIndex != index) { 2530 if (lastAudible) { 2531 mLastAudibleIndex.put(device, index); 2532 } 2533 // Apply change to all streams using this one as alias 2534 // if changing volume of current device, also change volume of current 2535 // device on aliased stream 2536 boolean currentDevice = (device == getDeviceForStream(mStreamType)); 2537 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2538 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2539 if (streamType != mStreamType && 2540 mStreamVolumeAlias[streamType] == mStreamType) { 2541 int scaledIndex = rescaleIndex(index, mStreamType, streamType); 2542 mStreamStates[streamType].setIndex(scaledIndex, 2543 device, 2544 lastAudible); 2545 if (currentDevice) { 2546 mStreamStates[streamType].setIndex(scaledIndex, 2547 getDeviceForStream(streamType), 2548 lastAudible); 2549 } 2550 } 2551 } 2552 return true; 2553 } else { 2554 return false; 2555 } 2556 } 2557 2558 public synchronized int getIndex(int device, boolean lastAudible) { 2559 ConcurrentHashMap <Integer, Integer> indexes; 2560 if (lastAudible) { 2561 indexes = mLastAudibleIndex; 2562 } else { 2563 indexes = mIndex; 2564 } 2565 Integer index = indexes.get(device); 2566 if (index == null) { 2567 // there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT 2568 index = indexes.get(AudioSystem.DEVICE_OUT_DEFAULT); 2569 } 2570 return index.intValue(); 2571 } 2572 2573 public synchronized void setLastAudibleIndex(int index, int device) { 2574 // Apply change to all streams using this one as alias 2575 // if changing volume of current device, also change volume of current 2576 // device on aliased stream 2577 boolean currentDevice = (device == getDeviceForStream(mStreamType)); 2578 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2579 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2580 if (streamType != mStreamType && 2581 mStreamVolumeAlias[streamType] == mStreamType) { 2582 int scaledIndex = rescaleIndex(index, mStreamType, streamType); 2583 mStreamStates[streamType].setLastAudibleIndex(scaledIndex, device); 2584 if (currentDevice) { 2585 mStreamStates[streamType].setLastAudibleIndex(scaledIndex, 2586 getDeviceForStream(streamType)); 2587 } 2588 } 2589 } 2590 mLastAudibleIndex.put(device, getValidIndex(index)); 2591 } 2592 2593 public synchronized void adjustLastAudibleIndex(int deltaIndex, int device) { 2594 setLastAudibleIndex(getIndex(device, 2595 true /* lastAudible */) + deltaIndex, 2596 device); 2597 } 2598 2599 public int getMaxIndex() { 2600 return mIndexMax; 2601 } 2602 2603 // only called by setAllIndexes() which is already synchronized 2604 public ConcurrentHashMap <Integer, Integer> getAllIndexes(boolean lastAudible) { 2605 if (lastAudible) { 2606 return mLastAudibleIndex; 2607 } else { 2608 return mIndex; 2609 } 2610 } 2611 2612 public synchronized void setAllIndexes(VolumeStreamState srcStream, boolean lastAudible) { 2613 ConcurrentHashMap <Integer, Integer> indexes = srcStream.getAllIndexes(lastAudible); 2614 Set set = indexes.entrySet(); 2615 Iterator i = set.iterator(); 2616 while (i.hasNext()) { 2617 Map.Entry entry = (Map.Entry)i.next(); 2618 int device = ((Integer)entry.getKey()).intValue(); 2619 int index = ((Integer)entry.getValue()).intValue(); 2620 index = rescaleIndex(index, srcStream.getStreamType(), mStreamType); 2621 setIndex(index, device, lastAudible); 2622 } 2623 } 2624 2625 public synchronized void mute(IBinder cb, boolean state) { 2626 VolumeDeathHandler handler = getDeathHandler(cb, state); 2627 if (handler == null) { 2628 Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); 2629 return; 2630 } 2631 handler.mute(state); 2632 } 2633 2634 public int getStreamType() { 2635 return mStreamType; 2636 } 2637 2638 private int getValidIndex(int index) { 2639 if (index < 0) { 2640 return 0; 2641 } else if (index > mIndexMax) { 2642 return mIndexMax; 2643 } 2644 2645 return index; 2646 } 2647 2648 private class VolumeDeathHandler implements IBinder.DeathRecipient { 2649 private IBinder mICallback; // To be notified of client's death 2650 private int mMuteCount; // Number of active mutes for this client 2651 2652 VolumeDeathHandler(IBinder cb) { 2653 mICallback = cb; 2654 } 2655 2656 // must be called while synchronized on parent VolumeStreamState 2657 public void mute(boolean state) { 2658 if (state) { 2659 if (mMuteCount == 0) { 2660 // Register for client death notification 2661 try { 2662 // mICallback can be 0 if muted by AudioService 2663 if (mICallback != null) { 2664 mICallback.linkToDeath(this, 0); 2665 } 2666 mDeathHandlers.add(this); 2667 // If the stream is not yet muted by any client, set level to 0 2668 if (muteCount() == 0) { 2669 Set set = mIndex.entrySet(); 2670 Iterator i = set.iterator(); 2671 while (i.hasNext()) { 2672 Map.Entry entry = (Map.Entry)i.next(); 2673 int device = ((Integer)entry.getKey()).intValue(); 2674 setIndex(0, device, false /* lastAudible */); 2675 } 2676 sendMsg(mAudioHandler, 2677 MSG_SET_ALL_VOLUMES, 2678 SENDMSG_QUEUE, 2679 0, 2680 0, 2681 VolumeStreamState.this, 0); 2682 } 2683 } catch (RemoteException e) { 2684 // Client has died! 2685 binderDied(); 2686 return; 2687 } 2688 } else { 2689 Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); 2690 } 2691 mMuteCount++; 2692 } else { 2693 if (mMuteCount == 0) { 2694 Log.e(TAG, "unexpected unmute for stream: "+mStreamType); 2695 } else { 2696 mMuteCount--; 2697 if (mMuteCount == 0) { 2698 // Unregister from client death notification 2699 mDeathHandlers.remove(this); 2700 // mICallback can be 0 if muted by AudioService 2701 if (mICallback != null) { 2702 mICallback.unlinkToDeath(this, 0); 2703 } 2704 if (muteCount() == 0) { 2705 // If the stream is not muted any more, restore its volume if 2706 // ringer mode allows it 2707 if (!isStreamAffectedByRingerMode(mStreamType) || 2708 mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 2709 Set set = mIndex.entrySet(); 2710 Iterator i = set.iterator(); 2711 while (i.hasNext()) { 2712 Map.Entry entry = (Map.Entry)i.next(); 2713 int device = ((Integer)entry.getKey()).intValue(); 2714 setIndex(getIndex(device, 2715 true /* lastAudible */), 2716 device, 2717 false /* lastAudible */); 2718 } 2719 sendMsg(mAudioHandler, 2720 MSG_SET_ALL_VOLUMES, 2721 SENDMSG_QUEUE, 2722 0, 2723 0, 2724 VolumeStreamState.this, 0); 2725 } 2726 } 2727 } 2728 } 2729 } 2730 } 2731 2732 public void binderDied() { 2733 Log.w(TAG, "Volume service client died for stream: "+mStreamType); 2734 if (mMuteCount != 0) { 2735 // Reset all active mute requests from this client. 2736 mMuteCount = 1; 2737 mute(false); 2738 } 2739 } 2740 } 2741 2742 private synchronized int muteCount() { 2743 int count = 0; 2744 int size = mDeathHandlers.size(); 2745 for (int i = 0; i < size; i++) { 2746 count += mDeathHandlers.get(i).mMuteCount; 2747 } 2748 return count; 2749 } 2750 2751 // only called by mute() which is already synchronized 2752 private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { 2753 VolumeDeathHandler handler; 2754 int size = mDeathHandlers.size(); 2755 for (int i = 0; i < size; i++) { 2756 handler = mDeathHandlers.get(i); 2757 if (cb == handler.mICallback) { 2758 return handler; 2759 } 2760 } 2761 // If this is the first mute request for this client, create a new 2762 // client death handler. Otherwise, it is an out of sequence unmute request. 2763 if (state) { 2764 handler = new VolumeDeathHandler(cb); 2765 } else { 2766 Log.w(TAG, "stream was not muted by this client"); 2767 handler = null; 2768 } 2769 return handler; 2770 } 2771 2772 private void dump(PrintWriter pw) { 2773 pw.print(" Current: "); 2774 Set set = mIndex.entrySet(); 2775 Iterator i = set.iterator(); 2776 while (i.hasNext()) { 2777 Map.Entry entry = (Map.Entry)i.next(); 2778 pw.print(Integer.toHexString(((Integer)entry.getKey()).intValue()) 2779 + ": " + ((((Integer)entry.getValue()).intValue() + 5) / 10)+", "); 2780 } 2781 pw.print("\n Last audible: "); 2782 set = mLastAudibleIndex.entrySet(); 2783 i = set.iterator(); 2784 while (i.hasNext()) { 2785 Map.Entry entry = (Map.Entry)i.next(); 2786 pw.print(Integer.toHexString(((Integer)entry.getKey()).intValue()) 2787 + ": " + ((((Integer)entry.getValue()).intValue() + 5) / 10)+", "); 2788 } 2789 } 2790 } 2791 2792 /** Thread that handles native AudioSystem control. */ 2793 private class AudioSystemThread extends Thread { 2794 AudioSystemThread() { 2795 super("AudioService"); 2796 } 2797 2798 @Override 2799 public void run() { 2800 // Set this thread up so the handler will work on it 2801 Looper.prepare(); 2802 2803 synchronized(AudioService.this) { 2804 mAudioHandler = new AudioHandler(); 2805 2806 // Notify that the handler has been created 2807 AudioService.this.notify(); 2808 } 2809 2810 // Listen for volume change requests that are set by VolumePanel 2811 Looper.loop(); 2812 } 2813 } 2814 2815 /** Handles internal volume messages in separate volume thread. */ 2816 private class AudioHandler extends Handler { 2817 2818 private void setDeviceVolume(VolumeStreamState streamState, int device) { 2819 2820 // Apply volume 2821 streamState.applyDeviceVolume(device); 2822 2823 // Apply change to all streams using this one as alias 2824 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2825 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2826 if (streamType != streamState.mStreamType && 2827 mStreamVolumeAlias[streamType] == streamState.mStreamType) { 2828 mStreamStates[streamType].applyDeviceVolume(getDeviceForStream(streamType)); 2829 } 2830 } 2831 2832 // Post a persist volume msg 2833 sendMsg(mAudioHandler, 2834 MSG_PERSIST_VOLUME, 2835 SENDMSG_QUEUE, 2836 PERSIST_CURRENT|PERSIST_LAST_AUDIBLE, 2837 device, 2838 streamState, 2839 PERSIST_DELAY); 2840 2841 } 2842 2843 private void setAllVolumes(VolumeStreamState streamState) { 2844 2845 // Apply volume 2846 streamState.applyAllVolumes(); 2847 2848 // Apply change to all streams using this one as alias 2849 int numStreamTypes = AudioSystem.getNumStreamTypes(); 2850 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 2851 if (streamType != streamState.mStreamType && 2852 mStreamVolumeAlias[streamType] == streamState.mStreamType) { 2853 mStreamStates[streamType].applyAllVolumes(); 2854 } 2855 } 2856 } 2857 2858 private void persistVolume(VolumeStreamState streamState, 2859 int persistType, 2860 int device) { 2861 if ((persistType & PERSIST_CURRENT) != 0) { 2862 System.putInt(mContentResolver, 2863 streamState.getSettingNameForDevice(false /* lastAudible */, device), 2864 (streamState.getIndex(device, false /* lastAudible */) + 5)/ 10); 2865 } 2866 if ((persistType & PERSIST_LAST_AUDIBLE) != 0) { 2867 System.putInt(mContentResolver, 2868 streamState.getSettingNameForDevice(true /* lastAudible */, device), 2869 (streamState.getIndex(device, true /* lastAudible */) + 5) / 10); 2870 } 2871 } 2872 2873 private void persistRingerMode(int ringerMode) { 2874 System.putInt(mContentResolver, System.MODE_RINGER, ringerMode); 2875 } 2876 2877 private void playSoundEffect(int effectType, int volume) { 2878 synchronized (mSoundEffectsLock) { 2879 if (mSoundPool == null) { 2880 return; 2881 } 2882 float volFloat; 2883 // use default if volume is not specified by caller 2884 if (volume < 0) { 2885 volFloat = (float)Math.pow(10, SOUND_EFFECT_VOLUME_DB/20); 2886 } else { 2887 volFloat = (float) volume / 1000.0f; 2888 } 2889 2890 if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { 2891 mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); 2892 } else { 2893 MediaPlayer mediaPlayer = new MediaPlayer(); 2894 try { 2895 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; 2896 mediaPlayer.setDataSource(filePath); 2897 mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); 2898 mediaPlayer.prepare(); 2899 mediaPlayer.setVolume(volFloat, volFloat); 2900 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { 2901 public void onCompletion(MediaPlayer mp) { 2902 cleanupPlayer(mp); 2903 } 2904 }); 2905 mediaPlayer.setOnErrorListener(new OnErrorListener() { 2906 public boolean onError(MediaPlayer mp, int what, int extra) { 2907 cleanupPlayer(mp); 2908 return true; 2909 } 2910 }); 2911 mediaPlayer.start(); 2912 } catch (IOException ex) { 2913 Log.w(TAG, "MediaPlayer IOException: "+ex); 2914 } catch (IllegalArgumentException ex) { 2915 Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); 2916 } catch (IllegalStateException ex) { 2917 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2918 } 2919 } 2920 } 2921 } 2922 2923 private void onHandlePersistMediaButtonReceiver(ComponentName receiver) { 2924 Settings.System.putString(mContentResolver, Settings.System.MEDIA_BUTTON_RECEIVER, 2925 receiver == null ? "" : receiver.flattenToString()); 2926 } 2927 2928 private void cleanupPlayer(MediaPlayer mp) { 2929 if (mp != null) { 2930 try { 2931 mp.stop(); 2932 mp.release(); 2933 } catch (IllegalStateException ex) { 2934 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 2935 } 2936 } 2937 } 2938 2939 private void setForceUse(int usage, int config) { 2940 AudioSystem.setForceUse(usage, config); 2941 } 2942 2943 @Override 2944 public void handleMessage(Message msg) { 2945 2946 switch (msg.what) { 2947 2948 case MSG_SET_DEVICE_VOLUME: 2949 setDeviceVolume((VolumeStreamState) msg.obj, msg.arg1); 2950 break; 2951 2952 case MSG_SET_ALL_VOLUMES: 2953 setAllVolumes((VolumeStreamState) msg.obj); 2954 break; 2955 2956 case MSG_PERSIST_VOLUME: 2957 persistVolume((VolumeStreamState) msg.obj, msg.arg1, msg.arg2); 2958 break; 2959 2960 case MSG_PERSIST_MASTER_VOLUME: 2961 Settings.System.putFloat(mContentResolver, Settings.System.VOLUME_MASTER, 2962 (float)msg.arg1 / (float)1000.0); 2963 break; 2964 2965 case MSG_PERSIST_MASTER_VOLUME_MUTE: 2966 Settings.System.putInt(mContentResolver, Settings.System.VOLUME_MASTER_MUTE, 2967 msg.arg1); 2968 break; 2969 2970 case MSG_PERSIST_RINGER_MODE: 2971 // note that the value persisted is the current ringer mode, not the 2972 // value of ringer mode as of the time the request was made to persist 2973 persistRingerMode(getRingerMode()); 2974 break; 2975 2976 case MSG_MEDIA_SERVER_DIED: 2977 if (!mMediaServerOk) { 2978 Log.e(TAG, "Media server died."); 2979 // Force creation of new IAudioFlinger interface so that we are notified 2980 // when new media_server process is back to life. 2981 AudioSystem.setErrorCallback(mAudioSystemCallback); 2982 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0, 2983 null, 500); 2984 } 2985 break; 2986 2987 case MSG_MEDIA_SERVER_STARTED: 2988 Log.e(TAG, "Media server started."); 2989 // indicate to audio HAL that we start the reconfiguration phase after a media 2990 // server crash 2991 // Note that MSG_MEDIA_SERVER_STARTED message is only received when the media server 2992 // process restarts after a crash, not the first time it is started. 2993 AudioSystem.setParameters("restarting=true"); 2994 2995 // Restore device connection states 2996 synchronized (mConnectedDevices) { 2997 Set set = mConnectedDevices.entrySet(); 2998 Iterator i = set.iterator(); 2999 while (i.hasNext()) { 3000 Map.Entry device = (Map.Entry)i.next(); 3001 AudioSystem.setDeviceConnectionState( 3002 ((Integer)device.getKey()).intValue(), 3003 AudioSystem.DEVICE_STATE_AVAILABLE, 3004 (String)device.getValue()); 3005 } 3006 } 3007 // Restore call state 3008 AudioSystem.setPhoneState(mMode); 3009 3010 // Restore forced usage for communcations and record 3011 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); 3012 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); 3013 3014 // Restore stream volumes 3015 int numStreamTypes = AudioSystem.getNumStreamTypes(); 3016 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 3017 VolumeStreamState streamState = mStreamStates[streamType]; 3018 AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); 3019 3020 streamState.applyAllVolumes(); 3021 } 3022 3023 // Restore ringer mode 3024 setRingerModeInt(getRingerMode(), false); 3025 3026 // Restore master volume 3027 restoreMasterVolume(); 3028 3029 // Reset device orientation (if monitored for this device) 3030 if (SystemProperties.getBoolean("ro.audio.monitorOrientation", false)) { 3031 setOrientationForAudioSystem(); 3032 } 3033 3034 synchronized (mBluetoothA2dpEnabledLock) { 3035 AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, 3036 mBluetoothA2dpEnabled ? 3037 AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP); 3038 } 3039 // indicate the end of reconfiguration phase to audio HAL 3040 AudioSystem.setParameters("restarting=false"); 3041 break; 3042 3043 case MSG_LOAD_SOUND_EFFECTS: 3044 loadSoundEffects(); 3045 break; 3046 3047 case MSG_PLAY_SOUND_EFFECT: 3048 playSoundEffect(msg.arg1, msg.arg2); 3049 break; 3050 3051 case MSG_BTA2DP_DOCK_TIMEOUT: 3052 // msg.obj == address of BTA2DP device 3053 synchronized (mConnectedDevices) { 3054 makeA2dpDeviceUnavailableNow( (String) msg.obj ); 3055 } 3056 break; 3057 3058 case MSG_SET_FORCE_USE: 3059 case MSG_SET_FORCE_BT_A2DP_USE: 3060 setForceUse(msg.arg1, msg.arg2); 3061 break; 3062 3063 case MSG_PERSIST_MEDIABUTTONRECEIVER: 3064 onHandlePersistMediaButtonReceiver( (ComponentName) msg.obj ); 3065 break; 3066 3067 case MSG_RCDISPLAY_CLEAR: 3068 onRcDisplayClear(); 3069 break; 3070 3071 case MSG_RCDISPLAY_UPDATE: 3072 // msg.obj is guaranteed to be non null 3073 onRcDisplayUpdate( (RemoteControlStackEntry) msg.obj, msg.arg1); 3074 break; 3075 3076 case MSG_BT_HEADSET_CNCT_FAILED: 3077 resetBluetoothSco(); 3078 break; 3079 3080 case MSG_SET_WIRED_DEVICE_CONNECTION_STATE: 3081 onSetWiredDeviceConnectionState(msg.arg1, msg.arg2, (String)msg.obj); 3082 mMediaEventWakeLock.release(); 3083 break; 3084 3085 case MSG_SET_A2DP_CONNECTION_STATE: 3086 onSetA2dpConnectionState((BluetoothDevice)msg.obj, msg.arg1); 3087 mMediaEventWakeLock.release(); 3088 break; 3089 3090 case MSG_REPORT_NEW_ROUTES: { 3091 int N = mRoutesObservers.beginBroadcast(); 3092 if (N > 0) { 3093 AudioRoutesInfo routes; 3094 synchronized (mCurAudioRoutes) { 3095 routes = new AudioRoutesInfo(mCurAudioRoutes); 3096 } 3097 while (N > 0) { 3098 N--; 3099 IAudioRoutesObserver obs = mRoutesObservers.getBroadcastItem(N); 3100 try { 3101 obs.dispatchAudioRoutesChanged(routes); 3102 } catch (RemoteException e) { 3103 } 3104 } 3105 } 3106 mRoutesObservers.finishBroadcast(); 3107 break; 3108 } 3109 3110 case MSG_REEVALUATE_REMOTE: 3111 onReevaluateRemote(); 3112 break; 3113 3114 case MSG_RCC_NEW_PLAYBACK_INFO: 3115 onNewPlaybackInfoForRcc(msg.arg1 /* rccId */, msg.arg2 /* key */, 3116 ((Integer)msg.obj).intValue() /* value */); 3117 break; 3118 case MSG_RCC_NEW_VOLUME_OBS: 3119 onRegisterVolumeObserverForRcc(msg.arg1 /* rccId */, 3120 (IRemoteVolumeObserver)msg.obj /* rvo */); 3121 break; 3122 } 3123 } 3124 } 3125 3126 private class SettingsObserver extends ContentObserver { 3127 3128 SettingsObserver() { 3129 super(new Handler()); 3130 mContentResolver.registerContentObserver(Settings.System.getUriFor( 3131 Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); 3132 } 3133 3134 @Override 3135 public void onChange(boolean selfChange) { 3136 super.onChange(selfChange); 3137 // FIXME This synchronized is not necessary if mSettingsLock only protects mRingerMode. 3138 // However there appear to be some missing locks around mRingerModeMutedStreams 3139 // and mRingerModeAffectedStreams, so will leave this synchronized for now. 3140 // mRingerModeMutedStreams and mMuteAffectedStreams are safe (only accessed once). 3141 synchronized (mSettingsLock) { 3142 int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, 3143 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 3144 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 3145 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 3146 if (mVoiceCapable) { 3147 ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC); 3148 } else { 3149 ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_MUSIC); 3150 } 3151 if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { 3152 /* 3153 * Ensure all stream types that should be affected by ringer mode 3154 * are in the proper state. 3155 */ 3156 mRingerModeAffectedStreams = ringerModeAffectedStreams; 3157 setRingerModeInt(getRingerMode(), false); 3158 } 3159 } 3160 } 3161 } 3162 3163 // must be called synchronized on mConnectedDevices 3164 private void makeA2dpDeviceAvailable(String address) { 3165 // enable A2DP before notifying A2DP connection to avoid unecessary processing in 3166 // audio policy manager 3167 setBluetoothA2dpOnInt(true); 3168 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 3169 AudioSystem.DEVICE_STATE_AVAILABLE, 3170 address); 3171 // Reset A2DP suspend state each time a new sink is connected 3172 AudioSystem.setParameters("A2dpSuspended=false"); 3173 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), 3174 address); 3175 } 3176 3177 private void sendBecomingNoisyIntent() { 3178 mContext.sendBroadcast(new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY)); 3179 } 3180 3181 // must be called synchronized on mConnectedDevices 3182 private void makeA2dpDeviceUnavailableNow(String address) { 3183 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 3184 AudioSystem.DEVICE_STATE_UNAVAILABLE, 3185 address); 3186 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 3187 } 3188 3189 // must be called synchronized on mConnectedDevices 3190 private void makeA2dpDeviceUnavailableLater(String address) { 3191 // prevent any activity on the A2DP audio output to avoid unwanted 3192 // reconnection of the sink. 3193 AudioSystem.setParameters("A2dpSuspended=true"); 3194 // the device will be made unavailable later, so consider it disconnected right away 3195 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 3196 // send the delayed message to make the device unavailable later 3197 Message msg = mAudioHandler.obtainMessage(MSG_BTA2DP_DOCK_TIMEOUT, address); 3198 mAudioHandler.sendMessageDelayed(msg, BTA2DP_DOCK_TIMEOUT_MILLIS); 3199 3200 } 3201 3202 // must be called synchronized on mConnectedDevices 3203 private void cancelA2dpDeviceTimeout() { 3204 mAudioHandler.removeMessages(MSG_BTA2DP_DOCK_TIMEOUT); 3205 } 3206 3207 // must be called synchronized on mConnectedDevices 3208 private boolean hasScheduledA2dpDockTimeout() { 3209 return mAudioHandler.hasMessages(MSG_BTA2DP_DOCK_TIMEOUT); 3210 } 3211 3212 private void onSetA2dpConnectionState(BluetoothDevice btDevice, int state) 3213 { 3214 if (btDevice == null) { 3215 return; 3216 } 3217 String address = btDevice.getAddress(); 3218 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 3219 address = ""; 3220 } 3221 synchronized (mConnectedDevices) { 3222 boolean isConnected = 3223 (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && 3224 mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP).equals(address)); 3225 3226 if (isConnected && state != BluetoothProfile.STATE_CONNECTED) { 3227 if (btDevice.isBluetoothDock()) { 3228 if (state == BluetoothProfile.STATE_DISCONNECTED) { 3229 // introduction of a delay for transient disconnections of docks when 3230 // power is rapidly turned off/on, this message will be canceled if 3231 // we reconnect the dock under a preset delay 3232 makeA2dpDeviceUnavailableLater(address); 3233 // the next time isConnected is evaluated, it will be false for the dock 3234 } 3235 } else { 3236 makeA2dpDeviceUnavailableNow(address); 3237 } 3238 synchronized (mCurAudioRoutes) { 3239 if (mCurAudioRoutes.mBluetoothName != null) { 3240 mCurAudioRoutes.mBluetoothName = null; 3241 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3242 SENDMSG_NOOP, 0, 0, null, 0); 3243 } 3244 } 3245 } else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) { 3246 if (btDevice.isBluetoothDock()) { 3247 // this could be a reconnection after a transient disconnection 3248 cancelA2dpDeviceTimeout(); 3249 mDockAddress = address; 3250 } else { 3251 // this could be a connection of another A2DP device before the timeout of 3252 // a dock: cancel the dock timeout, and make the dock unavailable now 3253 if(hasScheduledA2dpDockTimeout()) { 3254 cancelA2dpDeviceTimeout(); 3255 makeA2dpDeviceUnavailableNow(mDockAddress); 3256 } 3257 } 3258 makeA2dpDeviceAvailable(address); 3259 synchronized (mCurAudioRoutes) { 3260 String name = btDevice.getAliasName(); 3261 if (!TextUtils.equals(mCurAudioRoutes.mBluetoothName, name)) { 3262 mCurAudioRoutes.mBluetoothName = name; 3263 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3264 SENDMSG_NOOP, 0, 0, null, 0); 3265 } 3266 } 3267 } 3268 } 3269 } 3270 3271 private boolean handleDeviceConnection(boolean connected, int device, String params) { 3272 synchronized (mConnectedDevices) { 3273 boolean isConnected = (mConnectedDevices.containsKey(device) && 3274 (params.isEmpty() || mConnectedDevices.get(device).equals(params))); 3275 3276 if (isConnected && !connected) { 3277 AudioSystem.setDeviceConnectionState(device, 3278 AudioSystem.DEVICE_STATE_UNAVAILABLE, 3279 mConnectedDevices.get(device)); 3280 mConnectedDevices.remove(device); 3281 return true; 3282 } else if (!isConnected && connected) { 3283 AudioSystem.setDeviceConnectionState(device, 3284 AudioSystem.DEVICE_STATE_AVAILABLE, 3285 params); 3286 mConnectedDevices.put(new Integer(device), params); 3287 return true; 3288 } 3289 } 3290 return false; 3291 } 3292 3293 // Devices which removal triggers intent ACTION_AUDIO_BECOMING_NOISY. The intent is only 3294 // sent if none of these devices is connected. 3295 int mBecomingNoisyIntentDevices = 3296 AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE | 3297 AudioSystem.DEVICE_OUT_ALL_A2DP; 3298 3299 // must be called before removing the device from mConnectedDevices 3300 private int checkSendBecomingNoisyIntent(int device, int state) { 3301 int delay = 0; 3302 if ((state == 0) && ((device & mBecomingNoisyIntentDevices) != 0)) { 3303 int devices = 0; 3304 for (int dev : mConnectedDevices.keySet()) { 3305 if ((dev & mBecomingNoisyIntentDevices) != 0) { 3306 devices |= dev; 3307 } 3308 } 3309 if (devices == device) { 3310 delay = 1000; 3311 sendBecomingNoisyIntent(); 3312 } 3313 } 3314 3315 if (mAudioHandler.hasMessages(MSG_SET_A2DP_CONNECTION_STATE) || 3316 mAudioHandler.hasMessages(MSG_SET_WIRED_DEVICE_CONNECTION_STATE)) { 3317 delay = 1000; 3318 } 3319 return delay; 3320 } 3321 3322 private void sendDeviceConnectionIntent(int device, int state, String name) 3323 { 3324 Intent intent = new Intent(); 3325 3326 intent.putExtra("state", state); 3327 intent.putExtra("name", name); 3328 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 3329 3330 int connType = 0; 3331 3332 if (device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) { 3333 connType = AudioRoutesInfo.MAIN_HEADSET; 3334 intent.setAction(Intent.ACTION_HEADSET_PLUG); 3335 intent.putExtra("microphone", 1); 3336 } else if (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) { 3337 connType = AudioRoutesInfo.MAIN_HEADPHONES; 3338 intent.setAction(Intent.ACTION_HEADSET_PLUG); 3339 intent.putExtra("microphone", 0); 3340 } else if (device == AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET) { 3341 connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS; 3342 intent.setAction(Intent.ACTION_ANALOG_AUDIO_DOCK_PLUG); 3343 } else if (device == AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET) { 3344 connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS; 3345 intent.setAction(Intent.ACTION_DIGITAL_AUDIO_DOCK_PLUG); 3346 } else if (device == AudioSystem.DEVICE_OUT_AUX_DIGITAL) { 3347 connType = AudioRoutesInfo.MAIN_HDMI; 3348 intent.setAction(Intent.ACTION_HDMI_AUDIO_PLUG); 3349 } 3350 3351 synchronized (mCurAudioRoutes) { 3352 if (connType != 0) { 3353 int newConn = mCurAudioRoutes.mMainType; 3354 if (state != 0) { 3355 newConn |= connType; 3356 } else { 3357 newConn &= ~connType; 3358 } 3359 if (newConn != mCurAudioRoutes.mMainType) { 3360 mCurAudioRoutes.mMainType = newConn; 3361 sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES, 3362 SENDMSG_NOOP, 0, 0, null, 0); 3363 } 3364 } 3365 } 3366 3367 ActivityManagerNative.broadcastStickyIntent(intent, null); 3368 } 3369 3370 private void onSetWiredDeviceConnectionState(int device, int state, String name) 3371 { 3372 synchronized (mConnectedDevices) { 3373 if ((state == 0) && ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) || 3374 (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE))) { 3375 setBluetoothA2dpOnInt(true); 3376 } 3377 handleDeviceConnection((state == 1), device, ""); 3378 if ((state != 0) && ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) || 3379 (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE))) { 3380 setBluetoothA2dpOnInt(false); 3381 } 3382 sendDeviceConnectionIntent(device, state, name); 3383 } 3384 } 3385 3386 /* cache of the address of the last dock the device was connected to */ 3387 private String mDockAddress; 3388 3389 /** 3390 * Receiver for misc intent broadcasts the Phone app cares about. 3391 */ 3392 private class AudioServiceBroadcastReceiver extends BroadcastReceiver { 3393 @Override 3394 public void onReceive(Context context, Intent intent) { 3395 String action = intent.getAction(); 3396 int device; 3397 int state; 3398 3399 if (action.equals(Intent.ACTION_DOCK_EVENT)) { 3400 int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 3401 Intent.EXTRA_DOCK_STATE_UNDOCKED); 3402 int config; 3403 switch (dockState) { 3404 case Intent.EXTRA_DOCK_STATE_DESK: 3405 config = AudioSystem.FORCE_BT_DESK_DOCK; 3406 break; 3407 case Intent.EXTRA_DOCK_STATE_CAR: 3408 config = AudioSystem.FORCE_BT_CAR_DOCK; 3409 break; 3410 case Intent.EXTRA_DOCK_STATE_LE_DESK: 3411 config = AudioSystem.FORCE_ANALOG_DOCK; 3412 break; 3413 case Intent.EXTRA_DOCK_STATE_HE_DESK: 3414 config = AudioSystem.FORCE_DIGITAL_DOCK; 3415 break; 3416 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 3417 default: 3418 config = AudioSystem.FORCE_NONE; 3419 } 3420 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); 3421 } else if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) { 3422 state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 3423 BluetoothProfile.STATE_DISCONNECTED); 3424 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 3425 String address = null; 3426 3427 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 3428 if (btDevice == null) { 3429 return; 3430 } 3431 3432 address = btDevice.getAddress(); 3433 BluetoothClass btClass = btDevice.getBluetoothClass(); 3434 if (btClass != null) { 3435 switch (btClass.getDeviceClass()) { 3436 case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: 3437 case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: 3438 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 3439 break; 3440 case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: 3441 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 3442 break; 3443 } 3444 } 3445 3446 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 3447 address = ""; 3448 } 3449 3450 boolean connected = (state == BluetoothProfile.STATE_CONNECTED); 3451 if (handleDeviceConnection(connected, device, address)) { 3452 synchronized (mScoClients) { 3453 if (connected) { 3454 mBluetoothHeadsetDevice = btDevice; 3455 } else { 3456 mBluetoothHeadsetDevice = null; 3457 resetBluetoothSco(); 3458 } 3459 } 3460 } 3461 } else if (action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) || 3462 action.equals(Intent.ACTION_USB_AUDIO_DEVICE_PLUG)) { 3463 state = intent.getIntExtra("state", 0); 3464 int alsaCard = intent.getIntExtra("card", -1); 3465 int alsaDevice = intent.getIntExtra("device", -1); 3466 String params = (alsaCard == -1 && alsaDevice == -1 ? "" 3467 : "card=" + alsaCard + ";device=" + alsaDevice); 3468 device = action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) ? 3469 AudioSystem.DEVICE_OUT_USB_ACCESSORY : AudioSystem.DEVICE_OUT_USB_DEVICE; 3470 Log.v(TAG, "Broadcast Receiver: Got " 3471 + (action.equals(Intent.ACTION_USB_AUDIO_ACCESSORY_PLUG) ? 3472 "ACTION_USB_AUDIO_ACCESSORY_PLUG" : "ACTION_USB_AUDIO_DEVICE_PLUG") 3473 + ", state = " + state + ", card: " + alsaCard + ", device: " + alsaDevice); 3474 handleDeviceConnection((state == 1), device, params); 3475 } else if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { 3476 boolean broadcast = false; 3477 int scoAudioState = AudioManager.SCO_AUDIO_STATE_ERROR; 3478 synchronized (mScoClients) { 3479 int btState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); 3480 // broadcast intent if the connection was initated by AudioService 3481 if (!mScoClients.isEmpty() && 3482 (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL || 3483 mScoAudioState == SCO_STATE_ACTIVATE_REQ || 3484 mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) { 3485 broadcast = true; 3486 } 3487 switch (btState) { 3488 case BluetoothHeadset.STATE_AUDIO_CONNECTED: 3489 scoAudioState = AudioManager.SCO_AUDIO_STATE_CONNECTED; 3490 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 3491 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 3492 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 3493 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 3494 } 3495 break; 3496 case BluetoothHeadset.STATE_AUDIO_DISCONNECTED: 3497 scoAudioState = AudioManager.SCO_AUDIO_STATE_DISCONNECTED; 3498 mScoAudioState = SCO_STATE_INACTIVE; 3499 clearAllScoClients(0, false); 3500 break; 3501 case BluetoothHeadset.STATE_AUDIO_CONNECTING: 3502 if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL && 3503 mScoAudioState != SCO_STATE_DEACTIVATE_REQ && 3504 mScoAudioState != SCO_STATE_DEACTIVATE_EXT_REQ) { 3505 mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL; 3506 } 3507 default: 3508 // do not broadcast CONNECTING or invalid state 3509 broadcast = false; 3510 break; 3511 } 3512 } 3513 if (broadcast) { 3514 broadcastScoConnectionState(scoAudioState); 3515 //FIXME: this is to maintain compatibility with deprecated intent 3516 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 3517 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 3518 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, scoAudioState); 3519 mContext.sendStickyBroadcast(newIntent); 3520 } 3521 } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) { 3522 mBootCompleted = true; 3523 sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_NOOP, 3524 0, 0, null, 0); 3525 3526 mKeyguardManager = 3527 (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); 3528 mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR; 3529 resetBluetoothSco(); 3530 getBluetoothHeadset(); 3531 //FIXME: this is to maintain compatibility with deprecated intent 3532 // AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate. 3533 Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED); 3534 newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, 3535 AudioManager.SCO_AUDIO_STATE_DISCONNECTED); 3536 mContext.sendStickyBroadcast(newIntent); 3537 3538 BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); 3539 if (adapter != null) { 3540 adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, 3541 BluetoothProfile.A2DP); 3542 } 3543 } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)) { 3544 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 3545 // a package is being removed, not replaced 3546 String packageName = intent.getData().getSchemeSpecificPart(); 3547 if (packageName != null) { 3548 removeMediaButtonReceiverForPackage(packageName); 3549 } 3550 } 3551 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 3552 AudioSystem.setParameters("screen_state=on"); 3553 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 3554 AudioSystem.setParameters("screen_state=off"); 3555 } else if (action.equalsIgnoreCase(Intent.ACTION_CONFIGURATION_CHANGED)) { 3556 handleConfigurationChanged(context); 3557 } 3558 } 3559 } 3560 3561 //========================================================================================== 3562 // AudioFocus 3563 //========================================================================================== 3564 3565 /* constant to identify focus stack entry that is used to hold the focus while the phone 3566 * is ringing or during a call. Used by com.android.internal.telephony.CallManager when 3567 * entering and exiting calls. 3568 */ 3569 public final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls"; 3570 3571 private final static Object mAudioFocusLock = new Object(); 3572 3573 private final static Object mRingingLock = new Object(); 3574 3575 private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 3576 @Override 3577 public void onCallStateChanged(int state, String incomingNumber) { 3578 if (state == TelephonyManager.CALL_STATE_RINGING) { 3579 //Log.v(TAG, " CALL_STATE_RINGING"); 3580 synchronized(mRingingLock) { 3581 mIsRinging = true; 3582 } 3583 } else if ((state == TelephonyManager.CALL_STATE_OFFHOOK) 3584 || (state == TelephonyManager.CALL_STATE_IDLE)) { 3585 synchronized(mRingingLock) { 3586 mIsRinging = false; 3587 } 3588 } 3589 } 3590 }; 3591 3592 private void notifyTopOfAudioFocusStack() { 3593 // notify the top of the stack it gained focus 3594 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 3595 if (canReassignAudioFocus()) { 3596 try { 3597 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 3598 AudioManager.AUDIOFOCUS_GAIN, mFocusStack.peek().mClientId); 3599 } catch (RemoteException e) { 3600 Log.e(TAG, "Failure to signal gain of audio control focus due to "+ e); 3601 e.printStackTrace(); 3602 } 3603 } 3604 } 3605 } 3606 3607 private static class FocusStackEntry { 3608 public int mStreamType = -1;// no stream type 3609 public IAudioFocusDispatcher mFocusDispatcher = null; 3610 public IBinder mSourceRef = null; 3611 public String mClientId; 3612 public int mFocusChangeType; 3613 public AudioFocusDeathHandler mHandler; 3614 public String mPackageName; 3615 public int mCallingUid; 3616 3617 public FocusStackEntry() { 3618 } 3619 3620 public FocusStackEntry(int streamType, int duration, 3621 IAudioFocusDispatcher afl, IBinder source, String id, AudioFocusDeathHandler hdlr, 3622 String pn, int uid) { 3623 mStreamType = streamType; 3624 mFocusDispatcher = afl; 3625 mSourceRef = source; 3626 mClientId = id; 3627 mFocusChangeType = duration; 3628 mHandler = hdlr; 3629 mPackageName = pn; 3630 mCallingUid = uid; 3631 } 3632 3633 public void unlinkToDeath() { 3634 try { 3635 if (mSourceRef != null && mHandler != null) { 3636 mSourceRef.unlinkToDeath(mHandler, 0); 3637 mHandler = null; 3638 } 3639 } catch (java.util.NoSuchElementException e) { 3640 Log.e(TAG, "Encountered " + e + " in FocusStackEntry.unlinkToDeath()"); 3641 } 3642 } 3643 3644 @Override 3645 protected void finalize() throws Throwable { 3646 unlinkToDeath(); // unlink exception handled inside method 3647 super.finalize(); 3648 } 3649 } 3650 3651 private final Stack<FocusStackEntry> mFocusStack = new Stack<FocusStackEntry>(); 3652 3653 /** 3654 * Helper function: 3655 * Display in the log the current entries in the audio focus stack 3656 */ 3657 private void dumpFocusStack(PrintWriter pw) { 3658 pw.println("\nAudio Focus stack entries:"); 3659 synchronized(mAudioFocusLock) { 3660 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3661 while(stackIterator.hasNext()) { 3662 FocusStackEntry fse = stackIterator.next(); 3663 pw.println(" source:" + fse.mSourceRef + " -- client: " + fse.mClientId 3664 + " -- duration: " + fse.mFocusChangeType 3665 + " -- uid: " + fse.mCallingUid); 3666 } 3667 } 3668 } 3669 3670 /** 3671 * Helper function: 3672 * Called synchronized on mAudioFocusLock 3673 * Remove a focus listener from the focus stack. 3674 * @param focusListenerToRemove the focus listener 3675 * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding 3676 * focus, notify the next item in the stack it gained focus. 3677 */ 3678 private void removeFocusStackEntry(String clientToRemove, boolean signal) { 3679 // is the current top of the focus stack abandoning focus? (because of request, not death) 3680 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientToRemove)) 3681 { 3682 //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); 3683 FocusStackEntry fse = mFocusStack.pop(); 3684 fse.unlinkToDeath(); 3685 if (signal) { 3686 // notify the new top of the stack it gained focus 3687 notifyTopOfAudioFocusStack(); 3688 // there's a new top of the stack, let the remote control know 3689 synchronized(mRCStack) { 3690 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3691 } 3692 } 3693 } else { 3694 // focus is abandoned by a client that's not at the top of the stack, 3695 // no need to update focus. 3696 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3697 while(stackIterator.hasNext()) { 3698 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3699 if(fse.mClientId.equals(clientToRemove)) { 3700 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3701 + fse.mClientId); 3702 stackIterator.remove(); 3703 fse.unlinkToDeath(); 3704 } 3705 } 3706 } 3707 } 3708 3709 /** 3710 * Helper function: 3711 * Called synchronized on mAudioFocusLock 3712 * Remove focus listeners from the focus stack for a particular client when it has died. 3713 */ 3714 private void removeFocusStackEntryForClient(IBinder cb) { 3715 // is the owner of the audio focus part of the client to remove? 3716 boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && 3717 mFocusStack.peek().mSourceRef.equals(cb); 3718 Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator(); 3719 while(stackIterator.hasNext()) { 3720 FocusStackEntry fse = (FocusStackEntry)stackIterator.next(); 3721 if(fse.mSourceRef.equals(cb)) { 3722 Log.i(TAG, " AudioFocus abandonAudioFocus(): removing entry for " 3723 + fse.mClientId); 3724 stackIterator.remove(); 3725 // the client just died, no need to unlink to its death 3726 } 3727 } 3728 if (isTopOfStackForClientToRemove) { 3729 // we removed an entry at the top of the stack: 3730 // notify the new top of the stack it gained focus. 3731 notifyTopOfAudioFocusStack(); 3732 // there's a new top of the stack, let the remote control know 3733 synchronized(mRCStack) { 3734 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3735 } 3736 } 3737 } 3738 3739 /** 3740 * Helper function: 3741 * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. 3742 */ 3743 private boolean canReassignAudioFocus() { 3744 // focus requests are rejected during a phone call or when the phone is ringing 3745 // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus 3746 if (!mFocusStack.isEmpty() && IN_VOICE_COMM_FOCUS_ID.equals(mFocusStack.peek().mClientId)) { 3747 return false; 3748 } 3749 return true; 3750 } 3751 3752 /** 3753 * Inner class to monitor audio focus client deaths, and remove them from the audio focus 3754 * stack if necessary. 3755 */ 3756 private class AudioFocusDeathHandler implements IBinder.DeathRecipient { 3757 private IBinder mCb; // To be notified of client's death 3758 3759 AudioFocusDeathHandler(IBinder cb) { 3760 mCb = cb; 3761 } 3762 3763 public void binderDied() { 3764 synchronized(mAudioFocusLock) { 3765 Log.w(TAG, " AudioFocus audio focus client died"); 3766 removeFocusStackEntryForClient(mCb); 3767 } 3768 } 3769 3770 public IBinder getBinder() { 3771 return mCb; 3772 } 3773 } 3774 3775 3776 /** @see AudioManager#requestAudioFocus(IAudioFocusDispatcher, int, int) */ 3777 public int requestAudioFocus(int mainStreamType, int focusChangeHint, IBinder cb, 3778 IAudioFocusDispatcher fd, String clientId, String callingPackageName) { 3779 Log.i(TAG, " AudioFocus requestAudioFocus() from " + clientId); 3780 // the main stream type for the audio focus request is currently not used. It may 3781 // potentially be used to handle multiple stream type-dependent audio focuses. 3782 3783 // we need a valid binder callback for clients 3784 if (!cb.pingBinder()) { 3785 Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); 3786 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3787 } 3788 3789 synchronized(mAudioFocusLock) { 3790 if (!canReassignAudioFocus()) { 3791 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3792 } 3793 3794 // handle the potential premature death of the new holder of the focus 3795 // (premature death == death before abandoning focus) 3796 // Register for client death notification 3797 AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); 3798 try { 3799 cb.linkToDeath(afdh, 0); 3800 } catch (RemoteException e) { 3801 // client has already died! 3802 Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); 3803 return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 3804 } 3805 3806 if (!mFocusStack.empty() && mFocusStack.peek().mClientId.equals(clientId)) { 3807 // if focus is already owned by this client and the reason for acquiring the focus 3808 // hasn't changed, don't do anything 3809 if (mFocusStack.peek().mFocusChangeType == focusChangeHint) { 3810 // unlink death handler so it can be gc'ed. 3811 // linkToDeath() creates a JNI global reference preventing collection. 3812 cb.unlinkToDeath(afdh, 0); 3813 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3814 } 3815 // the reason for the audio focus request has changed: remove the current top of 3816 // stack and respond as if we had a new focus owner 3817 FocusStackEntry fse = mFocusStack.pop(); 3818 fse.unlinkToDeath(); 3819 } 3820 3821 // notify current top of stack it is losing focus 3822 if (!mFocusStack.empty() && (mFocusStack.peek().mFocusDispatcher != null)) { 3823 try { 3824 mFocusStack.peek().mFocusDispatcher.dispatchAudioFocusChange( 3825 -1 * focusChangeHint, // loss and gain codes are inverse of each other 3826 mFocusStack.peek().mClientId); 3827 } catch (RemoteException e) { 3828 Log.e(TAG, " Failure to signal loss of focus due to "+ e); 3829 e.printStackTrace(); 3830 } 3831 } 3832 3833 // focus requester might already be somewhere below in the stack, remove it 3834 removeFocusStackEntry(clientId, false /* signal */); 3835 3836 // push focus requester at the top of the audio focus stack 3837 mFocusStack.push(new FocusStackEntry(mainStreamType, focusChangeHint, fd, cb, 3838 clientId, afdh, callingPackageName, Binder.getCallingUid())); 3839 3840 // there's a new top of the stack, let the remote control know 3841 synchronized(mRCStack) { 3842 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 3843 } 3844 }//synchronized(mAudioFocusLock) 3845 3846 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3847 } 3848 3849 /** @see AudioManager#abandonAudioFocus(IAudioFocusDispatcher) */ 3850 public int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId) { 3851 Log.i(TAG, " AudioFocus abandonAudioFocus() from " + clientId); 3852 try { 3853 // this will take care of notifying the new focus owner if needed 3854 synchronized(mAudioFocusLock) { 3855 removeFocusStackEntry(clientId, true); 3856 } 3857 } catch (java.util.ConcurrentModificationException cme) { 3858 // Catching this exception here is temporary. It is here just to prevent 3859 // a crash seen when the "Silent" notification is played. This is believed to be fixed 3860 // but this try catch block is left just to be safe. 3861 Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); 3862 cme.printStackTrace(); 3863 } 3864 3865 return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 3866 } 3867 3868 3869 public void unregisterAudioFocusClient(String clientId) { 3870 synchronized(mAudioFocusLock) { 3871 removeFocusStackEntry(clientId, false); 3872 } 3873 } 3874 3875 3876 //========================================================================================== 3877 // RemoteControl 3878 //========================================================================================== 3879 public void dispatchMediaKeyEvent(KeyEvent keyEvent) { 3880 filterMediaKeyEvent(keyEvent, false /*needWakeLock*/); 3881 } 3882 3883 public void dispatchMediaKeyEventUnderWakelock(KeyEvent keyEvent) { 3884 filterMediaKeyEvent(keyEvent, true /*needWakeLock*/); 3885 } 3886 3887 private void filterMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3888 // sanity check on the incoming key event 3889 if (!isValidMediaKeyEvent(keyEvent)) { 3890 Log.e(TAG, "not dispatching invalid media key event " + keyEvent); 3891 return; 3892 } 3893 // event filtering for telephony 3894 synchronized(mRingingLock) { 3895 synchronized(mRCStack) { 3896 if ((mMediaReceiverForCalls != null) && 3897 (mIsRinging || (getMode() == AudioSystem.MODE_IN_CALL))) { 3898 dispatchMediaKeyEventForCalls(keyEvent, needWakeLock); 3899 return; 3900 } 3901 } 3902 } 3903 // event filtering based on voice-based interactions 3904 if (isValidVoiceInputKeyCode(keyEvent.getKeyCode())) { 3905 filterVoiceInputKeyEvent(keyEvent, needWakeLock); 3906 } else { 3907 dispatchMediaKeyEvent(keyEvent, needWakeLock); 3908 } 3909 } 3910 3911 /** 3912 * Handles the dispatching of the media button events to the telephony package. 3913 * Precondition: mMediaReceiverForCalls != null 3914 * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons 3915 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3916 * is dispatched. 3917 */ 3918 private void dispatchMediaKeyEventForCalls(KeyEvent keyEvent, boolean needWakeLock) { 3919 Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); 3920 keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 3921 keyIntent.setPackage(mMediaReceiverForCalls.getPackageName()); 3922 if (needWakeLock) { 3923 mMediaEventWakeLock.acquire(); 3924 keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); 3925 } 3926 mContext.sendOrderedBroadcast(keyIntent, null, mKeyEventDone, 3927 mAudioHandler, Activity.RESULT_OK, null, null); 3928 } 3929 3930 /** 3931 * Handles the dispatching of the media button events to one of the registered listeners, 3932 * or if there was none, broadcast an ACTION_MEDIA_BUTTON intent to the rest of the system. 3933 * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons 3934 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3935 * is dispatched. 3936 */ 3937 private void dispatchMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3938 if (needWakeLock) { 3939 mMediaEventWakeLock.acquire(); 3940 } 3941 Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); 3942 keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); 3943 synchronized(mRCStack) { 3944 if (!mRCStack.empty()) { 3945 // send the intent that was registered by the client 3946 try { 3947 mRCStack.peek().mMediaIntent.send(mContext, 3948 needWakeLock ? WAKELOCK_RELEASE_ON_FINISHED : 0 /*code*/, 3949 keyIntent, AudioService.this, mAudioHandler); 3950 } catch (CanceledException e) { 3951 Log.e(TAG, "Error sending pending intent " + mRCStack.peek()); 3952 e.printStackTrace(); 3953 } 3954 } else { 3955 // legacy behavior when nobody registered their media button event receiver 3956 // through AudioManager 3957 if (needWakeLock) { 3958 keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); 3959 } 3960 mContext.sendOrderedBroadcast(keyIntent, null, mKeyEventDone, 3961 mAudioHandler, Activity.RESULT_OK, null, null); 3962 } 3963 } 3964 } 3965 3966 /** 3967 * The different actions performed in response to a voice button key event. 3968 */ 3969 private final static int VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS = 1; 3970 private final static int VOICEBUTTON_ACTION_START_VOICE_INPUT = 2; 3971 private final static int VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS = 3; 3972 3973 private final Object mVoiceEventLock = new Object(); 3974 private boolean mVoiceButtonDown; 3975 private boolean mVoiceButtonHandled; 3976 3977 /** 3978 * Filter key events that may be used for voice-based interactions 3979 * @param keyEvent a non-null KeyEvent whose key code is that of one of the supported 3980 * media buttons that can be used to trigger voice-based interactions. 3981 * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event 3982 * is dispatched. 3983 */ 3984 private void filterVoiceInputKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { 3985 if (DEBUG_RC) { 3986 Log.v(TAG, "voice input key event: " + keyEvent + ", needWakeLock=" + needWakeLock); 3987 } 3988 3989 int voiceButtonAction = VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS; 3990 int keyAction = keyEvent.getAction(); 3991 synchronized (mVoiceEventLock) { 3992 if (keyAction == KeyEvent.ACTION_DOWN) { 3993 if (keyEvent.getRepeatCount() == 0) { 3994 // initial down 3995 mVoiceButtonDown = true; 3996 mVoiceButtonHandled = false; 3997 } else if (mVoiceButtonDown && !mVoiceButtonHandled 3998 && (keyEvent.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) { 3999 // long-press, start voice-based interactions 4000 mVoiceButtonHandled = true; 4001 voiceButtonAction = VOICEBUTTON_ACTION_START_VOICE_INPUT; 4002 } 4003 } else if (keyAction == KeyEvent.ACTION_UP) { 4004 if (mVoiceButtonDown) { 4005 // voice button up 4006 mVoiceButtonDown = false; 4007 if (!mVoiceButtonHandled && !keyEvent.isCanceled()) { 4008 voiceButtonAction = VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS; 4009 } 4010 } 4011 } 4012 }//synchronized (mVoiceEventLock) 4013 4014 // take action after media button event filtering for voice-based interactions 4015 switch (voiceButtonAction) { 4016 case VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS: 4017 if (DEBUG_RC) Log.v(TAG, " ignore key event"); 4018 break; 4019 case VOICEBUTTON_ACTION_START_VOICE_INPUT: 4020 if (DEBUG_RC) Log.v(TAG, " start voice-based interactions"); 4021 // then start the voice-based interactions 4022 startVoiceBasedInteractions(needWakeLock); 4023 break; 4024 case VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS: 4025 if (DEBUG_RC) Log.v(TAG, " send simulated key event"); 4026 sendSimulatedMediaButtonEvent(keyEvent, needWakeLock); 4027 break; 4028 } 4029 } 4030 4031 private void sendSimulatedMediaButtonEvent(KeyEvent originalKeyEvent, boolean needWakeLock) { 4032 // send DOWN event 4033 KeyEvent keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_DOWN); 4034 dispatchMediaKeyEvent(keyEvent, needWakeLock); 4035 // send UP event 4036 keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_UP); 4037 dispatchMediaKeyEvent(keyEvent, needWakeLock); 4038 4039 } 4040 4041 4042 private static boolean isValidMediaKeyEvent(KeyEvent keyEvent) { 4043 if (keyEvent == null) { 4044 return false; 4045 } 4046 final int keyCode = keyEvent.getKeyCode(); 4047 switch (keyCode) { 4048 case KeyEvent.KEYCODE_MUTE: 4049 case KeyEvent.KEYCODE_HEADSETHOOK: 4050 case KeyEvent.KEYCODE_MEDIA_PLAY: 4051 case KeyEvent.KEYCODE_MEDIA_PAUSE: 4052 case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: 4053 case KeyEvent.KEYCODE_MEDIA_STOP: 4054 case KeyEvent.KEYCODE_MEDIA_NEXT: 4055 case KeyEvent.KEYCODE_MEDIA_PREVIOUS: 4056 case KeyEvent.KEYCODE_MEDIA_REWIND: 4057 case KeyEvent.KEYCODE_MEDIA_RECORD: 4058 case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: 4059 case KeyEvent.KEYCODE_MEDIA_CLOSE: 4060 case KeyEvent.KEYCODE_MEDIA_EJECT: 4061 break; 4062 default: 4063 return false; 4064 } 4065 return true; 4066 } 4067 4068 /** 4069 * Checks whether the given key code is one that can trigger the launch of voice-based 4070 * interactions. 4071 * @param keyCode the key code associated with the key event 4072 * @return true if the key is one of the supported voice-based interaction triggers 4073 */ 4074 private static boolean isValidVoiceInputKeyCode(int keyCode) { 4075 if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK) { 4076 return true; 4077 } else { 4078 return false; 4079 } 4080 } 4081 4082 /** 4083 * Tell the system to start voice-based interactions / voice commands 4084 */ 4085 private void startVoiceBasedInteractions(boolean needWakeLock) { 4086 Intent voiceIntent = null; 4087 // select which type of search to launch: 4088 // - screen on and device unlocked: action is ACTION_WEB_SEARCH 4089 // - device locked or screen off: action is ACTION_VOICE_SEARCH_HANDS_FREE 4090 // with EXTRA_SECURE set to true if the device is securely locked 4091 PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); 4092 boolean isLocked = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); 4093 if (!isLocked && pm.isScreenOn()) { 4094 voiceIntent = new Intent(android.speech.RecognizerIntent.ACTION_WEB_SEARCH); 4095 } else { 4096 voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE); 4097 voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, 4098 isLocked && mKeyguardManager.isKeyguardSecure()); 4099 } 4100 // start the search activity 4101 if (needWakeLock) { 4102 mMediaEventWakeLock.acquire(); 4103 } 4104 try { 4105 if (voiceIntent != null) { 4106 voiceIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 4107 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 4108 mContext.startActivity(voiceIntent); 4109 } 4110 } catch (ActivityNotFoundException e) { 4111 Log.w(TAG, "No activity for search: " + e); 4112 } finally { 4113 if (needWakeLock) { 4114 mMediaEventWakeLock.release(); 4115 } 4116 } 4117 } 4118 4119 private PowerManager.WakeLock mMediaEventWakeLock; 4120 4121 private static final int WAKELOCK_RELEASE_ON_FINISHED = 1980; //magic number 4122 4123 // only set when wakelock was acquired, no need to check value when received 4124 private static final String EXTRA_WAKELOCK_ACQUIRED = 4125 "android.media.AudioService.WAKELOCK_ACQUIRED"; 4126 4127 public void onSendFinished(PendingIntent pendingIntent, Intent intent, 4128 int resultCode, String resultData, Bundle resultExtras) { 4129 if (resultCode == WAKELOCK_RELEASE_ON_FINISHED) { 4130 mMediaEventWakeLock.release(); 4131 } 4132 } 4133 4134 BroadcastReceiver mKeyEventDone = new BroadcastReceiver() { 4135 public void onReceive(Context context, Intent intent) { 4136 if (intent == null) { 4137 return; 4138 } 4139 Bundle extras = intent.getExtras(); 4140 if (extras == null) { 4141 return; 4142 } 4143 if (extras.containsKey(EXTRA_WAKELOCK_ACQUIRED)) { 4144 mMediaEventWakeLock.release(); 4145 } 4146 } 4147 }; 4148 4149 private final Object mCurrentRcLock = new Object(); 4150 /** 4151 * The one remote control client which will receive a request for display information. 4152 * This object may be null. 4153 * Access protected by mCurrentRcLock. 4154 */ 4155 private IRemoteControlClient mCurrentRcClient = null; 4156 4157 private final static int RC_INFO_NONE = 0; 4158 private final static int RC_INFO_ALL = 4159 RemoteControlClient.FLAG_INFORMATION_REQUEST_ALBUM_ART | 4160 RemoteControlClient.FLAG_INFORMATION_REQUEST_KEY_MEDIA | 4161 RemoteControlClient.FLAG_INFORMATION_REQUEST_METADATA | 4162 RemoteControlClient.FLAG_INFORMATION_REQUEST_PLAYSTATE; 4163 4164 /** 4165 * A monotonically increasing generation counter for mCurrentRcClient. 4166 * Only accessed with a lock on mCurrentRcLock. 4167 * No value wrap-around issues as we only act on equal values. 4168 */ 4169 private int mCurrentRcClientGen = 0; 4170 4171 /** 4172 * Inner class to monitor remote control client deaths, and remove the client for the 4173 * remote control stack if necessary. 4174 */ 4175 private class RcClientDeathHandler implements IBinder.DeathRecipient { 4176 private IBinder mCb; // To be notified of client's death 4177 private PendingIntent mMediaIntent; 4178 4179 RcClientDeathHandler(IBinder cb, PendingIntent pi) { 4180 mCb = cb; 4181 mMediaIntent = pi; 4182 } 4183 4184 public void binderDied() { 4185 Log.w(TAG, " RemoteControlClient died"); 4186 // remote control client died, make sure the displays don't use it anymore 4187 // by setting its remote control client to null 4188 registerRemoteControlClient(mMediaIntent, null/*rcClient*/, null/*ignored*/); 4189 // the dead client was maybe handling remote playback, reevaluate 4190 postReevaluateRemote(); 4191 } 4192 4193 public IBinder getBinder() { 4194 return mCb; 4195 } 4196 } 4197 4198 /** 4199 * A global counter for RemoteControlClient identifiers 4200 */ 4201 private static int sLastRccId = 0; 4202 4203 private class RemotePlaybackState { 4204 int mRccId; 4205 int mVolume; 4206 int mVolumeMax; 4207 int mVolumeHandling; 4208 4209 private RemotePlaybackState(int id, int vol, int volMax) { 4210 mRccId = id; 4211 mVolume = vol; 4212 mVolumeMax = volMax; 4213 mVolumeHandling = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME_HANDLING; 4214 } 4215 } 4216 4217 /** 4218 * Internal cache for the playback information of the RemoteControlClient whose volume gets to 4219 * be controlled by the volume keys ("main"), so we don't have to iterate over the RC stack 4220 * every time we need this info. 4221 */ 4222 private RemotePlaybackState mMainRemote; 4223 /** 4224 * Indicates whether the "main" RemoteControlClient is considered active. 4225 * Use synchronized on mMainRemote. 4226 */ 4227 private boolean mMainRemoteIsActive; 4228 /** 4229 * Indicates whether there is remote playback going on. True even if there is no "active" 4230 * remote playback (mMainRemoteIsActive is false), but a RemoteControlClient has declared it 4231 * handles remote playback. 4232 * Use synchronized on mMainRemote. 4233 */ 4234 private boolean mHasRemotePlayback; 4235 4236 private static class RemoteControlStackEntry { 4237 public int mRccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 4238 /** 4239 * The target for the ACTION_MEDIA_BUTTON events. 4240 * Always non null. 4241 */ 4242 public PendingIntent mMediaIntent; 4243 /** 4244 * The registered media button event receiver. 4245 * Always non null. 4246 */ 4247 public ComponentName mReceiverComponent; 4248 public String mCallingPackageName; 4249 public int mCallingUid; 4250 /** 4251 * Provides access to the information to display on the remote control. 4252 * May be null (when a media button event receiver is registered, 4253 * but no remote control client has been registered) */ 4254 public IRemoteControlClient mRcClient; 4255 public RcClientDeathHandler mRcClientDeathHandler; 4256 /** 4257 * Information only used for non-local playback 4258 */ 4259 public int mPlaybackType; 4260 public int mPlaybackVolume; 4261 public int mPlaybackVolumeMax; 4262 public int mPlaybackVolumeHandling; 4263 public int mPlaybackStream; 4264 public int mPlaybackState; 4265 public IRemoteVolumeObserver mRemoteVolumeObs; 4266 4267 public void resetPlaybackInfo() { 4268 mPlaybackType = RemoteControlClient.PLAYBACK_TYPE_LOCAL; 4269 mPlaybackVolume = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME; 4270 mPlaybackVolumeMax = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME; 4271 mPlaybackVolumeHandling = RemoteControlClient.DEFAULT_PLAYBACK_VOLUME_HANDLING; 4272 mPlaybackStream = AudioManager.STREAM_MUSIC; 4273 mPlaybackState = RemoteControlClient.PLAYSTATE_STOPPED; 4274 mRemoteVolumeObs = null; 4275 } 4276 4277 /** precondition: mediaIntent != null, eventReceiver != null */ 4278 public RemoteControlStackEntry(PendingIntent mediaIntent, ComponentName eventReceiver) { 4279 mMediaIntent = mediaIntent; 4280 mReceiverComponent = eventReceiver; 4281 mCallingUid = -1; 4282 mRcClient = null; 4283 mRccId = ++sLastRccId; 4284 4285 resetPlaybackInfo(); 4286 } 4287 4288 public void unlinkToRcClientDeath() { 4289 if ((mRcClientDeathHandler != null) && (mRcClientDeathHandler.mCb != null)) { 4290 try { 4291 mRcClientDeathHandler.mCb.unlinkToDeath(mRcClientDeathHandler, 0); 4292 mRcClientDeathHandler = null; 4293 } catch (java.util.NoSuchElementException e) { 4294 // not much we can do here 4295 Log.e(TAG, "Encountered " + e + " in unlinkToRcClientDeath()"); 4296 e.printStackTrace(); 4297 } 4298 } 4299 } 4300 4301 @Override 4302 protected void finalize() throws Throwable { 4303 unlinkToRcClientDeath();// unlink exception handled inside method 4304 super.finalize(); 4305 } 4306 } 4307 4308 /** 4309 * The stack of remote control event receivers. 4310 * Code sections and methods that modify the remote control event receiver stack are 4311 * synchronized on mRCStack, but also BEFORE on mFocusLock as any change in either 4312 * stack, audio focus or RC, can lead to a change in the remote control display 4313 */ 4314 private final Stack<RemoteControlStackEntry> mRCStack = new Stack<RemoteControlStackEntry>(); 4315 4316 /** 4317 * The component the telephony package can register so telephony calls have priority to 4318 * handle media button events 4319 */ 4320 private ComponentName mMediaReceiverForCalls = null; 4321 4322 /** 4323 * Helper function: 4324 * Display in the log the current entries in the remote control focus stack 4325 */ 4326 private void dumpRCStack(PrintWriter pw) { 4327 pw.println("\nRemote Control stack entries:"); 4328 synchronized(mRCStack) { 4329 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4330 while(stackIterator.hasNext()) { 4331 RemoteControlStackEntry rcse = stackIterator.next(); 4332 pw.println(" pi: " + rcse.mMediaIntent + 4333 " -- ercvr: " + rcse.mReceiverComponent + 4334 " -- client: " + rcse.mRcClient + 4335 " -- uid: " + rcse.mCallingUid + 4336 " -- type: " + rcse.mPlaybackType + 4337 " state: " + rcse.mPlaybackState); 4338 } 4339 } 4340 } 4341 4342 /** 4343 * Helper function: 4344 * Display in the log the current entries in the remote control stack, focusing 4345 * on RemoteControlClient data 4346 */ 4347 private void dumpRCCStack(PrintWriter pw) { 4348 pw.println("\nRemote Control Client stack entries:"); 4349 synchronized(mRCStack) { 4350 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4351 while(stackIterator.hasNext()) { 4352 RemoteControlStackEntry rcse = stackIterator.next(); 4353 pw.println(" uid: " + rcse.mCallingUid + 4354 " -- id: " + rcse.mRccId + 4355 " -- type: " + rcse.mPlaybackType + 4356 " -- state: " + rcse.mPlaybackState + 4357 " -- vol handling: " + rcse.mPlaybackVolumeHandling + 4358 " -- vol: " + rcse.mPlaybackVolume + 4359 " -- volMax: " + rcse.mPlaybackVolumeMax + 4360 " -- volObs: " + rcse.mRemoteVolumeObs); 4361 4362 } 4363 } 4364 synchronized (mMainRemote) { 4365 pw.println("\nRemote Volume State:"); 4366 pw.println(" has remote: " + mHasRemotePlayback); 4367 pw.println(" is remote active: " + mMainRemoteIsActive); 4368 pw.println(" rccId: " + mMainRemote.mRccId); 4369 pw.println(" volume handling: " 4370 + ((mMainRemote.mVolumeHandling == RemoteControlClient.PLAYBACK_VOLUME_FIXED) ? 4371 "PLAYBACK_VOLUME_FIXED(0)" : "PLAYBACK_VOLUME_VARIABLE(1)")); 4372 pw.println(" volume: " + mMainRemote.mVolume); 4373 pw.println(" volume steps: " + mMainRemote.mVolumeMax); 4374 } 4375 } 4376 4377 /** 4378 * Helper function: 4379 * Remove any entry in the remote control stack that has the same package name as packageName 4380 * Pre-condition: packageName != null 4381 */ 4382 private void removeMediaButtonReceiverForPackage(String packageName) { 4383 synchronized(mRCStack) { 4384 if (mRCStack.empty()) { 4385 return; 4386 } else { 4387 RemoteControlStackEntry oldTop = mRCStack.peek(); 4388 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4389 // iterate over the stack entries 4390 while(stackIterator.hasNext()) { 4391 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 4392 if (packageName.equalsIgnoreCase(rcse.mReceiverComponent.getPackageName())) { 4393 // a stack entry is from the package being removed, remove it from the stack 4394 stackIterator.remove(); 4395 rcse.unlinkToRcClientDeath(); 4396 } 4397 } 4398 if (mRCStack.empty()) { 4399 // no saved media button receiver 4400 mAudioHandler.sendMessage( 4401 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 4402 null)); 4403 } else if (oldTop != mRCStack.peek()) { 4404 // the top of the stack has changed, save it in the system settings 4405 // by posting a message to persist it 4406 mAudioHandler.sendMessage( 4407 mAudioHandler.obtainMessage(MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, 4408 mRCStack.peek().mReceiverComponent)); 4409 } 4410 } 4411 } 4412 } 4413 4414 /** 4415 * Helper function: 4416 * Restore remote control receiver from the system settings. 4417 */ 4418 private void restoreMediaButtonReceiver() { 4419 String receiverName = Settings.System.getString(mContentResolver, 4420 Settings.System.MEDIA_BUTTON_RECEIVER); 4421 if ((null != receiverName) && !receiverName.isEmpty()) { 4422 ComponentName eventReceiver = ComponentName.unflattenFromString(receiverName); 4423 // construct a PendingIntent targeted to the restored component name 4424 // for the media button and register it 4425 Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 4426 // the associated intent will be handled by the component being registered 4427 mediaButtonIntent.setComponent(eventReceiver); 4428 PendingIntent pi = PendingIntent.getBroadcast(mContext, 4429 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); 4430 registerMediaButtonIntent(pi, eventReceiver); 4431 } 4432 } 4433 4434 /** 4435 * Helper function: 4436 * Set the new remote control receiver at the top of the RC focus stack. 4437 * precondition: mediaIntent != null, target != null 4438 */ 4439 private void pushMediaButtonReceiver(PendingIntent mediaIntent, ComponentName target) { 4440 // already at top of stack? 4441 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(mediaIntent)) { 4442 return; 4443 } 4444 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4445 RemoteControlStackEntry rcse = null; 4446 boolean wasInsideStack = false; 4447 while(stackIterator.hasNext()) { 4448 rcse = (RemoteControlStackEntry)stackIterator.next(); 4449 if(rcse.mMediaIntent.equals(mediaIntent)) { 4450 wasInsideStack = true; 4451 stackIterator.remove(); 4452 break; 4453 } 4454 } 4455 if (!wasInsideStack) { 4456 rcse = new RemoteControlStackEntry(mediaIntent, target); 4457 } 4458 mRCStack.push(rcse); 4459 4460 // post message to persist the default media button receiver 4461 mAudioHandler.sendMessage( mAudioHandler.obtainMessage( 4462 MSG_PERSIST_MEDIABUTTONRECEIVER, 0, 0, target/*obj*/) ); 4463 } 4464 4465 /** 4466 * Helper function: 4467 * Remove the remote control receiver from the RC focus stack. 4468 * precondition: pi != null 4469 */ 4470 private void removeMediaButtonReceiver(PendingIntent pi) { 4471 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4472 while(stackIterator.hasNext()) { 4473 RemoteControlStackEntry rcse = (RemoteControlStackEntry)stackIterator.next(); 4474 if(rcse.mMediaIntent.equals(pi)) { 4475 stackIterator.remove(); 4476 rcse.unlinkToRcClientDeath(); 4477 break; 4478 } 4479 } 4480 } 4481 4482 /** 4483 * Helper function: 4484 * Called synchronized on mRCStack 4485 */ 4486 private boolean isCurrentRcController(PendingIntent pi) { 4487 if (!mRCStack.empty() && mRCStack.peek().mMediaIntent.equals(pi)) { 4488 return true; 4489 } 4490 return false; 4491 } 4492 4493 //========================================================================================== 4494 // Remote control display / client 4495 //========================================================================================== 4496 /** 4497 * Update the remote control displays with the new "focused" client generation 4498 */ 4499 private void setNewRcClientOnDisplays_syncRcsCurrc(int newClientGeneration, 4500 PendingIntent newMediaIntent, boolean clearing) { 4501 // NOTE: Only one IRemoteControlDisplay supported in this implementation 4502 if (mRcDisplay != null) { 4503 try { 4504 mRcDisplay.setCurrentClientId( 4505 newClientGeneration, newMediaIntent, clearing); 4506 } catch (RemoteException e) { 4507 Log.e(TAG, "Dead display in setNewRcClientOnDisplays_syncRcsCurrc() "+e); 4508 // if we had a display before, stop monitoring its death 4509 rcDisplay_stopDeathMonitor_syncRcStack(); 4510 mRcDisplay = null; 4511 } 4512 } 4513 } 4514 4515 /** 4516 * Update the remote control clients with the new "focused" client generation 4517 */ 4518 private void setNewRcClientGenerationOnClients_syncRcsCurrc(int newClientGeneration) { 4519 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4520 while(stackIterator.hasNext()) { 4521 RemoteControlStackEntry se = stackIterator.next(); 4522 if ((se != null) && (se.mRcClient != null)) { 4523 try { 4524 se.mRcClient.setCurrentClientGenerationId(newClientGeneration); 4525 } catch (RemoteException e) { 4526 Log.w(TAG, "Dead client in setNewRcClientGenerationOnClients_syncRcsCurrc()"+e); 4527 stackIterator.remove(); 4528 se.unlinkToRcClientDeath(); 4529 } 4530 } 4531 } 4532 } 4533 4534 /** 4535 * Update the displays and clients with the new "focused" client generation and name 4536 * @param newClientGeneration the new generation value matching a client update 4537 * @param newClientEventReceiver the media button event receiver associated with the client. 4538 * May be null, which implies there is no registered media button event receiver. 4539 * @param clearing true if the new client generation value maps to a remote control update 4540 * where the display should be cleared. 4541 */ 4542 private void setNewRcClient_syncRcsCurrc(int newClientGeneration, 4543 PendingIntent newMediaIntent, boolean clearing) { 4544 // send the new valid client generation ID to all displays 4545 setNewRcClientOnDisplays_syncRcsCurrc(newClientGeneration, newMediaIntent, clearing); 4546 // send the new valid client generation ID to all clients 4547 setNewRcClientGenerationOnClients_syncRcsCurrc(newClientGeneration); 4548 } 4549 4550 /** 4551 * Called when processing MSG_RCDISPLAY_CLEAR event 4552 */ 4553 private void onRcDisplayClear() { 4554 if (DEBUG_RC) Log.i(TAG, "Clear remote control display"); 4555 4556 synchronized(mRCStack) { 4557 synchronized(mCurrentRcLock) { 4558 mCurrentRcClientGen++; 4559 // synchronously update the displays and clients with the new client generation 4560 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 4561 null /*newMediaIntent*/, true /*clearing*/); 4562 } 4563 } 4564 } 4565 4566 /** 4567 * Called when processing MSG_RCDISPLAY_UPDATE event 4568 */ 4569 private void onRcDisplayUpdate(RemoteControlStackEntry rcse, int flags /* USED ?*/) { 4570 synchronized(mRCStack) { 4571 synchronized(mCurrentRcLock) { 4572 if ((mCurrentRcClient != null) && (mCurrentRcClient.equals(rcse.mRcClient))) { 4573 if (DEBUG_RC) Log.i(TAG, "Display/update remote control "); 4574 4575 mCurrentRcClientGen++; 4576 // synchronously update the displays and clients with 4577 // the new client generation 4578 setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, 4579 rcse.mMediaIntent /*newMediaIntent*/, 4580 false /*clearing*/); 4581 4582 // tell the current client that it needs to send info 4583 try { 4584 mCurrentRcClient.onInformationRequested(mCurrentRcClientGen, 4585 flags, mArtworkExpectedWidth, mArtworkExpectedHeight); 4586 } catch (RemoteException e) { 4587 Log.e(TAG, "Current valid remote client is dead: "+e); 4588 mCurrentRcClient = null; 4589 } 4590 } else { 4591 // the remote control display owner has changed between the 4592 // the message to update the display was sent, and the time it 4593 // gets to be processed (now) 4594 } 4595 } 4596 } 4597 } 4598 4599 4600 /** 4601 * Helper function: 4602 * Called synchronized on mRCStack 4603 */ 4604 private void clearRemoteControlDisplay_syncAfRcs() { 4605 synchronized(mCurrentRcLock) { 4606 mCurrentRcClient = null; 4607 } 4608 // will cause onRcDisplayClear() to be called in AudioService's handler thread 4609 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_CLEAR) ); 4610 } 4611 4612 /** 4613 * Helper function for code readability: only to be called from 4614 * checkUpdateRemoteControlDisplay_syncAfRcs() which checks the preconditions for 4615 * this method. 4616 * Preconditions: 4617 * - called synchronized mAudioFocusLock then on mRCStack 4618 * - mRCStack.isEmpty() is false 4619 */ 4620 private void updateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 4621 RemoteControlStackEntry rcse = mRCStack.peek(); 4622 int infoFlagsAboutToBeUsed = infoChangedFlags; 4623 // this is where we enforce opt-in for information display on the remote controls 4624 // with the new AudioManager.registerRemoteControlClient() API 4625 if (rcse.mRcClient == null) { 4626 //Log.w(TAG, "Can't update remote control display with null remote control client"); 4627 clearRemoteControlDisplay_syncAfRcs(); 4628 return; 4629 } 4630 synchronized(mCurrentRcLock) { 4631 if (!rcse.mRcClient.equals(mCurrentRcClient)) { 4632 // new RC client, assume every type of information shall be queried 4633 infoFlagsAboutToBeUsed = RC_INFO_ALL; 4634 } 4635 mCurrentRcClient = rcse.mRcClient; 4636 } 4637 // will cause onRcDisplayUpdate() to be called in AudioService's handler thread 4638 mAudioHandler.sendMessage( mAudioHandler.obtainMessage(MSG_RCDISPLAY_UPDATE, 4639 infoFlagsAboutToBeUsed /* arg1 */, 0, rcse /* obj, != null */) ); 4640 } 4641 4642 /** 4643 * Helper function: 4644 * Called synchronized on mAudioFocusLock, then mRCStack 4645 * Check whether the remote control display should be updated, triggers the update if required 4646 * @param infoChangedFlags the flags corresponding to the remote control client information 4647 * that has changed, if applicable (checking for the update conditions might trigger a 4648 * clear, rather than an update event). 4649 */ 4650 private void checkUpdateRemoteControlDisplay_syncAfRcs(int infoChangedFlags) { 4651 // determine whether the remote control display should be refreshed 4652 // if either stack is empty, there is a mismatch, so clear the RC display 4653 if (mRCStack.isEmpty() || mFocusStack.isEmpty()) { 4654 clearRemoteControlDisplay_syncAfRcs(); 4655 return; 4656 } 4657 // if the top of the two stacks belong to different packages, there is a mismatch, clear 4658 if ((mRCStack.peek().mCallingPackageName != null) 4659 && (mFocusStack.peek().mPackageName != null) 4660 && !(mRCStack.peek().mCallingPackageName.compareTo( 4661 mFocusStack.peek().mPackageName) == 0)) { 4662 clearRemoteControlDisplay_syncAfRcs(); 4663 return; 4664 } 4665 // if the audio focus didn't originate from the same Uid as the one in which the remote 4666 // control information will be retrieved, clear 4667 if (mRCStack.peek().mCallingUid != mFocusStack.peek().mCallingUid) { 4668 clearRemoteControlDisplay_syncAfRcs(); 4669 return; 4670 } 4671 // refresh conditions were verified: update the remote controls 4672 // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty 4673 updateRemoteControlDisplay_syncAfRcs(infoChangedFlags); 4674 } 4675 4676 /** 4677 * see AudioManager.registerMediaButtonIntent(PendingIntent pi, ComponentName c) 4678 * precondition: mediaIntent != null, target != null 4679 */ 4680 public void registerMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) { 4681 Log.i(TAG, " Remote Control registerMediaButtonIntent() for " + mediaIntent); 4682 4683 synchronized(mAudioFocusLock) { 4684 synchronized(mRCStack) { 4685 pushMediaButtonReceiver(mediaIntent, eventReceiver); 4686 // new RC client, assume every type of information shall be queried 4687 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4688 } 4689 } 4690 } 4691 4692 /** 4693 * see AudioManager.unregisterMediaButtonIntent(PendingIntent mediaIntent) 4694 * precondition: mediaIntent != null, eventReceiver != null 4695 */ 4696 public void unregisterMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver) 4697 { 4698 Log.i(TAG, " Remote Control unregisterMediaButtonIntent() for " + mediaIntent); 4699 4700 synchronized(mAudioFocusLock) { 4701 synchronized(mRCStack) { 4702 boolean topOfStackWillChange = isCurrentRcController(mediaIntent); 4703 removeMediaButtonReceiver(mediaIntent); 4704 if (topOfStackWillChange) { 4705 // current RC client will change, assume every type of info needs to be queried 4706 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4707 } 4708 } 4709 } 4710 } 4711 4712 /** 4713 * see AudioManager.registerMediaButtonEventReceiverForCalls(ComponentName c) 4714 * precondition: c != null 4715 */ 4716 public void registerMediaButtonEventReceiverForCalls(ComponentName c) { 4717 if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") 4718 != PackageManager.PERMISSION_GRANTED) { 4719 Log.e(TAG, "Invalid permissions to register media button receiver for calls"); 4720 return; 4721 } 4722 synchronized(mRCStack) { 4723 mMediaReceiverForCalls = c; 4724 } 4725 } 4726 4727 /** 4728 * see AudioManager.unregisterMediaButtonEventReceiverForCalls() 4729 */ 4730 public void unregisterMediaButtonEventReceiverForCalls() { 4731 if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") 4732 != PackageManager.PERMISSION_GRANTED) { 4733 Log.e(TAG, "Invalid permissions to unregister media button receiver for calls"); 4734 return; 4735 } 4736 synchronized(mRCStack) { 4737 mMediaReceiverForCalls = null; 4738 } 4739 } 4740 4741 /** 4742 * see AudioManager.registerRemoteControlClient(ComponentName eventReceiver, ...) 4743 * @return the unique ID of the RemoteControlStackEntry associated with the RemoteControlClient 4744 * Note: using this method with rcClient == null is a way to "disable" the IRemoteControlClient 4745 * without modifying the RC stack, but while still causing the display to refresh (will 4746 * become blank as a result of this) 4747 */ 4748 public int registerRemoteControlClient(PendingIntent mediaIntent, 4749 IRemoteControlClient rcClient, String callingPackageName) { 4750 if (DEBUG_RC) Log.i(TAG, "Register remote control client rcClient="+rcClient); 4751 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 4752 synchronized(mAudioFocusLock) { 4753 synchronized(mRCStack) { 4754 // store the new display information 4755 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4756 while(stackIterator.hasNext()) { 4757 RemoteControlStackEntry rcse = stackIterator.next(); 4758 if(rcse.mMediaIntent.equals(mediaIntent)) { 4759 // already had a remote control client? 4760 if (rcse.mRcClientDeathHandler != null) { 4761 // stop monitoring the old client's death 4762 rcse.unlinkToRcClientDeath(); 4763 } 4764 // save the new remote control client 4765 rcse.mRcClient = rcClient; 4766 rcse.mCallingPackageName = callingPackageName; 4767 rcse.mCallingUid = Binder.getCallingUid(); 4768 if (rcClient == null) { 4769 // here rcse.mRcClientDeathHandler is null; 4770 rcse.resetPlaybackInfo(); 4771 break; 4772 } 4773 rccId = rcse.mRccId; 4774 4775 // there is a new (non-null) client: 4776 // 1/ give the new client the current display (if any) 4777 if (mRcDisplay != null) { 4778 try { 4779 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 4780 } catch (RemoteException e) { 4781 Log.e(TAG, "Error connecting remote control display to client: "+e); 4782 e.printStackTrace(); 4783 } 4784 } 4785 // 2/ monitor the new client's death 4786 IBinder b = rcse.mRcClient.asBinder(); 4787 RcClientDeathHandler rcdh = 4788 new RcClientDeathHandler(b, rcse.mMediaIntent); 4789 try { 4790 b.linkToDeath(rcdh, 0); 4791 } catch (RemoteException e) { 4792 // remote control client is DOA, disqualify it 4793 Log.w(TAG, "registerRemoteControlClient() has a dead client " + b); 4794 rcse.mRcClient = null; 4795 } 4796 rcse.mRcClientDeathHandler = rcdh; 4797 break; 4798 } 4799 } 4800 // if the eventReceiver is at the top of the stack 4801 // then check for potential refresh of the remote controls 4802 if (isCurrentRcController(mediaIntent)) { 4803 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4804 } 4805 } 4806 } 4807 return rccId; 4808 } 4809 4810 /** 4811 * see AudioManager.unregisterRemoteControlClient(PendingIntent pi, ...) 4812 * rcClient is guaranteed non-null 4813 */ 4814 public void unregisterRemoteControlClient(PendingIntent mediaIntent, 4815 IRemoteControlClient rcClient) { 4816 synchronized(mAudioFocusLock) { 4817 synchronized(mRCStack) { 4818 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4819 while(stackIterator.hasNext()) { 4820 RemoteControlStackEntry rcse = stackIterator.next(); 4821 if ((rcse.mMediaIntent.equals(mediaIntent)) 4822 && rcClient.equals(rcse.mRcClient)) { 4823 // we found the IRemoteControlClient to unregister 4824 // stop monitoring its death 4825 rcse.unlinkToRcClientDeath(); 4826 // reset the client-related fields 4827 rcse.mRcClient = null; 4828 rcse.mCallingPackageName = null; 4829 } 4830 } 4831 } 4832 } 4833 } 4834 4835 /** 4836 * The remote control displays. 4837 * Access synchronized on mRCStack 4838 * NOTE: Only one IRemoteControlDisplay supported in this implementation 4839 */ 4840 private IRemoteControlDisplay mRcDisplay; 4841 private RcDisplayDeathHandler mRcDisplayDeathHandler; 4842 private int mArtworkExpectedWidth = -1; 4843 private int mArtworkExpectedHeight = -1; 4844 /** 4845 * Inner class to monitor remote control display deaths, and unregister them from the list 4846 * of displays if necessary. 4847 */ 4848 private class RcDisplayDeathHandler implements IBinder.DeathRecipient { 4849 private IBinder mCb; // To be notified of client's death 4850 4851 public RcDisplayDeathHandler(IBinder b) { 4852 if (DEBUG_RC) Log.i(TAG, "new RcDisplayDeathHandler for "+b); 4853 mCb = b; 4854 } 4855 4856 public void binderDied() { 4857 synchronized(mRCStack) { 4858 Log.w(TAG, "RemoteControl: display died"); 4859 mRcDisplay = null; 4860 } 4861 } 4862 4863 public void unlinkToRcDisplayDeath() { 4864 if (DEBUG_RC) Log.i(TAG, "unlinkToRcDisplayDeath for "+mCb); 4865 try { 4866 mCb.unlinkToDeath(this, 0); 4867 } catch (java.util.NoSuchElementException e) { 4868 // not much we can do here, the display was being unregistered anyway 4869 Log.e(TAG, "Encountered " + e + " in unlinkToRcDisplayDeath()"); 4870 e.printStackTrace(); 4871 } 4872 } 4873 4874 } 4875 4876 private void rcDisplay_stopDeathMonitor_syncRcStack() { 4877 if (mRcDisplay != null) { // implies (mRcDisplayDeathHandler != null) 4878 // we had a display before, stop monitoring its death 4879 mRcDisplayDeathHandler.unlinkToRcDisplayDeath(); 4880 } 4881 } 4882 4883 private void rcDisplay_startDeathMonitor_syncRcStack() { 4884 if (mRcDisplay != null) { 4885 // new non-null display, monitor its death 4886 IBinder b = mRcDisplay.asBinder(); 4887 mRcDisplayDeathHandler = new RcDisplayDeathHandler(b); 4888 try { 4889 b.linkToDeath(mRcDisplayDeathHandler, 0); 4890 } catch (RemoteException e) { 4891 // remote control display is DOA, disqualify it 4892 Log.w(TAG, "registerRemoteControlDisplay() has a dead client " + b); 4893 mRcDisplay = null; 4894 } 4895 } 4896 } 4897 4898 /** 4899 * Register an IRemoteControlDisplay. 4900 * Notify all IRemoteControlClient of the new display and cause the RemoteControlClient 4901 * at the top of the stack to update the new display with its information. 4902 * Since only one IRemoteControlDisplay is supported, this will unregister the previous display. 4903 * @param rcd the IRemoteControlDisplay to register. No effect if null. 4904 */ 4905 public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { 4906 if (DEBUG_RC) Log.d(TAG, ">>> registerRemoteControlDisplay("+rcd+")"); 4907 synchronized(mAudioFocusLock) { 4908 synchronized(mRCStack) { 4909 if ((mRcDisplay == rcd) || (rcd == null)) { 4910 return; 4911 } 4912 // if we had a display before, stop monitoring its death 4913 rcDisplay_stopDeathMonitor_syncRcStack(); 4914 mRcDisplay = rcd; 4915 // new display, start monitoring its death 4916 rcDisplay_startDeathMonitor_syncRcStack(); 4917 4918 // let all the remote control clients there is a new display 4919 // no need to unplug the previous because we only support one display 4920 // and the clients don't track the death of the display 4921 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4922 while(stackIterator.hasNext()) { 4923 RemoteControlStackEntry rcse = stackIterator.next(); 4924 if(rcse.mRcClient != null) { 4925 try { 4926 rcse.mRcClient.plugRemoteControlDisplay(mRcDisplay); 4927 } catch (RemoteException e) { 4928 Log.e(TAG, "Error connecting remote control display to client: " + e); 4929 e.printStackTrace(); 4930 } 4931 } 4932 } 4933 4934 // we have a new display, of which all the clients are now aware: have it be updated 4935 checkUpdateRemoteControlDisplay_syncAfRcs(RC_INFO_ALL); 4936 } 4937 } 4938 } 4939 4940 /** 4941 * Unregister an IRemoteControlDisplay. 4942 * Since only one IRemoteControlDisplay is supported, this has no effect if the one to 4943 * unregister is not the current one. 4944 * @param rcd the IRemoteControlDisplay to unregister. No effect if null. 4945 */ 4946 public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { 4947 if (DEBUG_RC) Log.d(TAG, "<<< unregisterRemoteControlDisplay("+rcd+")"); 4948 synchronized(mRCStack) { 4949 // only one display here, so you can only unregister the current display 4950 if ((rcd == null) || (rcd != mRcDisplay)) { 4951 if (DEBUG_RC) Log.w(TAG, " trying to unregister unregistered RCD"); 4952 return; 4953 } 4954 // if we had a display before, stop monitoring its death 4955 rcDisplay_stopDeathMonitor_syncRcStack(); 4956 mRcDisplay = null; 4957 4958 // disconnect this remote control display from all the clients 4959 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4960 while(stackIterator.hasNext()) { 4961 RemoteControlStackEntry rcse = stackIterator.next(); 4962 if(rcse.mRcClient != null) { 4963 try { 4964 rcse.mRcClient.unplugRemoteControlDisplay(rcd); 4965 } catch (RemoteException e) { 4966 Log.e(TAG, "Error disconnecting remote control display to client: " + e); 4967 e.printStackTrace(); 4968 } 4969 } 4970 } 4971 } 4972 } 4973 4974 public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { 4975 synchronized(mRCStack) { 4976 // NOTE: Only one IRemoteControlDisplay supported in this implementation 4977 mArtworkExpectedWidth = w; 4978 mArtworkExpectedHeight = h; 4979 } 4980 } 4981 4982 public void setPlaybackInfoForRcc(int rccId, int what, int value) { 4983 sendMsg(mAudioHandler, MSG_RCC_NEW_PLAYBACK_INFO, SENDMSG_QUEUE, 4984 rccId /* arg1 */, what /* arg2 */, Integer.valueOf(value) /* obj */, 0 /* delay */); 4985 } 4986 4987 // handler for MSG_RCC_NEW_PLAYBACK_INFO 4988 private void onNewPlaybackInfoForRcc(int rccId, int key, int value) { 4989 if(DEBUG_RC) Log.d(TAG, "onNewPlaybackInfoForRcc(id=" + rccId + 4990 ", what=" + key + ",val=" + value + ")"); 4991 synchronized(mRCStack) { 4992 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 4993 while(stackIterator.hasNext()) { 4994 RemoteControlStackEntry rcse = stackIterator.next(); 4995 if (rcse.mRccId == rccId) { 4996 switch (key) { 4997 case RemoteControlClient.PLAYBACKINFO_PLAYBACK_TYPE: 4998 rcse.mPlaybackType = value; 4999 postReevaluateRemote(); 5000 break; 5001 case RemoteControlClient.PLAYBACKINFO_VOLUME: 5002 rcse.mPlaybackVolume = value; 5003 synchronized (mMainRemote) { 5004 if (rccId == mMainRemote.mRccId) { 5005 mMainRemote.mVolume = value; 5006 mVolumePanel.postHasNewRemotePlaybackInfo(); 5007 } 5008 } 5009 break; 5010 case RemoteControlClient.PLAYBACKINFO_VOLUME_MAX: 5011 rcse.mPlaybackVolumeMax = value; 5012 synchronized (mMainRemote) { 5013 if (rccId == mMainRemote.mRccId) { 5014 mMainRemote.mVolumeMax = value; 5015 mVolumePanel.postHasNewRemotePlaybackInfo(); 5016 } 5017 } 5018 break; 5019 case RemoteControlClient.PLAYBACKINFO_VOLUME_HANDLING: 5020 rcse.mPlaybackVolumeHandling = value; 5021 synchronized (mMainRemote) { 5022 if (rccId == mMainRemote.mRccId) { 5023 mMainRemote.mVolumeHandling = value; 5024 mVolumePanel.postHasNewRemotePlaybackInfo(); 5025 } 5026 } 5027 break; 5028 case RemoteControlClient.PLAYBACKINFO_USES_STREAM: 5029 rcse.mPlaybackStream = value; 5030 break; 5031 case RemoteControlClient.PLAYBACKINFO_PLAYSTATE: 5032 rcse.mPlaybackState = value; 5033 synchronized (mMainRemote) { 5034 if (rccId == mMainRemote.mRccId) { 5035 mMainRemoteIsActive = isPlaystateActive(value); 5036 postReevaluateRemote(); 5037 } 5038 } 5039 break; 5040 default: 5041 Log.e(TAG, "unhandled key " + key + " for RCC " + rccId); 5042 break; 5043 } 5044 return; 5045 } 5046 } 5047 } 5048 } 5049 5050 public void registerRemoteVolumeObserverForRcc(int rccId, IRemoteVolumeObserver rvo) { 5051 sendMsg(mAudioHandler, MSG_RCC_NEW_VOLUME_OBS, SENDMSG_QUEUE, 5052 rccId /* arg1 */, 0, rvo /* obj */, 0 /* delay */); 5053 } 5054 5055 // handler for MSG_RCC_NEW_VOLUME_OBS 5056 private void onRegisterVolumeObserverForRcc(int rccId, IRemoteVolumeObserver rvo) { 5057 synchronized(mRCStack) { 5058 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5059 while(stackIterator.hasNext()) { 5060 RemoteControlStackEntry rcse = stackIterator.next(); 5061 if (rcse.mRccId == rccId) { 5062 rcse.mRemoteVolumeObs = rvo; 5063 break; 5064 } 5065 } 5066 } 5067 } 5068 5069 /** 5070 * Checks if a remote client is active on the supplied stream type. Update the remote stream 5071 * volume state if found and playing 5072 * @param streamType 5073 * @return false if no remote playing is currently playing 5074 */ 5075 private boolean checkUpdateRemoteStateIfActive(int streamType) { 5076 synchronized(mRCStack) { 5077 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5078 while(stackIterator.hasNext()) { 5079 RemoteControlStackEntry rcse = stackIterator.next(); 5080 if ((rcse.mPlaybackType == RemoteControlClient.PLAYBACK_TYPE_REMOTE) 5081 && isPlaystateActive(rcse.mPlaybackState) 5082 && (rcse.mPlaybackStream == streamType)) { 5083 if (DEBUG_RC) Log.d(TAG, "remote playback active on stream " + streamType 5084 + ", vol =" + rcse.mPlaybackVolume); 5085 synchronized (mMainRemote) { 5086 mMainRemote.mRccId = rcse.mRccId; 5087 mMainRemote.mVolume = rcse.mPlaybackVolume; 5088 mMainRemote.mVolumeMax = rcse.mPlaybackVolumeMax; 5089 mMainRemote.mVolumeHandling = rcse.mPlaybackVolumeHandling; 5090 mMainRemoteIsActive = true; 5091 } 5092 return true; 5093 } 5094 } 5095 } 5096 synchronized (mMainRemote) { 5097 mMainRemoteIsActive = false; 5098 } 5099 return false; 5100 } 5101 5102 /** 5103 * Returns true if the given playback state is considered "active", i.e. it describes a state 5104 * where playback is happening, or about to 5105 * @param playState the playback state to evaluate 5106 * @return true if active, false otherwise (inactive or unknown) 5107 */ 5108 private static boolean isPlaystateActive(int playState) { 5109 switch (playState) { 5110 case RemoteControlClient.PLAYSTATE_PLAYING: 5111 case RemoteControlClient.PLAYSTATE_BUFFERING: 5112 case RemoteControlClient.PLAYSTATE_FAST_FORWARDING: 5113 case RemoteControlClient.PLAYSTATE_REWINDING: 5114 case RemoteControlClient.PLAYSTATE_SKIPPING_BACKWARDS: 5115 case RemoteControlClient.PLAYSTATE_SKIPPING_FORWARDS: 5116 return true; 5117 default: 5118 return false; 5119 } 5120 } 5121 5122 private void adjustRemoteVolume(int streamType, int direction, int flags) { 5123 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 5124 boolean volFixed = false; 5125 synchronized (mMainRemote) { 5126 if (!mMainRemoteIsActive) { 5127 if (DEBUG_VOL) Log.w(TAG, "adjustRemoteVolume didn't find an active client"); 5128 return; 5129 } 5130 rccId = mMainRemote.mRccId; 5131 volFixed = (mMainRemote.mVolumeHandling == 5132 RemoteControlClient.PLAYBACK_VOLUME_FIXED); 5133 } 5134 // unlike "local" stream volumes, we can't compute the new volume based on the direction, 5135 // we can only notify the remote that volume needs to be updated, and we'll get an async' 5136 // update through setPlaybackInfoForRcc() 5137 if (!volFixed) { 5138 sendVolumeUpdateToRemote(rccId, direction); 5139 } 5140 5141 // fire up the UI 5142 mVolumePanel.postRemoteVolumeChanged(streamType, flags); 5143 } 5144 5145 private void sendVolumeUpdateToRemote(int rccId, int direction) { 5146 if (DEBUG_VOL) { Log.d(TAG, "sendVolumeUpdateToRemote(rccId="+rccId+" , dir="+direction); } 5147 if (direction == 0) { 5148 // only handling discrete events 5149 return; 5150 } 5151 IRemoteVolumeObserver rvo = null; 5152 synchronized (mRCStack) { 5153 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5154 while(stackIterator.hasNext()) { 5155 RemoteControlStackEntry rcse = stackIterator.next(); 5156 //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? 5157 if (rcse.mRccId == rccId) { 5158 rvo = rcse.mRemoteVolumeObs; 5159 break; 5160 } 5161 } 5162 } 5163 if (rvo != null) { 5164 try { 5165 rvo.dispatchRemoteVolumeUpdate(direction, -1); 5166 } catch (RemoteException e) { 5167 Log.e(TAG, "Error dispatching relative volume update", e); 5168 } 5169 } 5170 } 5171 5172 public int getRemoteStreamMaxVolume() { 5173 synchronized (mMainRemote) { 5174 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5175 return 0; 5176 } 5177 return mMainRemote.mVolumeMax; 5178 } 5179 } 5180 5181 public int getRemoteStreamVolume() { 5182 synchronized (mMainRemote) { 5183 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5184 return 0; 5185 } 5186 return mMainRemote.mVolume; 5187 } 5188 } 5189 5190 public void setRemoteStreamVolume(int vol) { 5191 if (DEBUG_VOL) { Log.d(TAG, "setRemoteStreamVolume(vol="+vol+")"); } 5192 int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; 5193 synchronized (mMainRemote) { 5194 if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { 5195 return; 5196 } 5197 rccId = mMainRemote.mRccId; 5198 } 5199 IRemoteVolumeObserver rvo = null; 5200 synchronized (mRCStack) { 5201 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5202 while(stackIterator.hasNext()) { 5203 RemoteControlStackEntry rcse = stackIterator.next(); 5204 if (rcse.mRccId == rccId) { 5205 //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? 5206 rvo = rcse.mRemoteVolumeObs; 5207 break; 5208 } 5209 } 5210 } 5211 if (rvo != null) { 5212 try { 5213 rvo.dispatchRemoteVolumeUpdate(0, vol); 5214 } catch (RemoteException e) { 5215 Log.e(TAG, "Error dispatching absolute volume update", e); 5216 } 5217 } 5218 } 5219 5220 /** 5221 * Call to make AudioService reevaluate whether it's in a mode where remote players should 5222 * have their volume controlled. In this implementation this is only to reset whether 5223 * VolumePanel should display remote volumes 5224 */ 5225 private void postReevaluateRemote() { 5226 sendMsg(mAudioHandler, MSG_REEVALUATE_REMOTE, SENDMSG_QUEUE, 0, 0, null, 0); 5227 } 5228 5229 private void onReevaluateRemote() { 5230 if (DEBUG_VOL) { Log.w(TAG, "onReevaluateRemote()"); } 5231 // is there a registered RemoteControlClient that is handling remote playback 5232 boolean hasRemotePlayback = false; 5233 synchronized (mRCStack) { 5234 Iterator<RemoteControlStackEntry> stackIterator = mRCStack.iterator(); 5235 while(stackIterator.hasNext()) { 5236 RemoteControlStackEntry rcse = stackIterator.next(); 5237 if (rcse.mPlaybackType == RemoteControlClient.PLAYBACK_TYPE_REMOTE) { 5238 hasRemotePlayback = true; 5239 break; 5240 } 5241 } 5242 } 5243 synchronized (mMainRemote) { 5244 if (mHasRemotePlayback != hasRemotePlayback) { 5245 mHasRemotePlayback = hasRemotePlayback; 5246 mVolumePanel.postRemoteSliderVisibility(hasRemotePlayback); 5247 } 5248 } 5249 } 5250 5251 //========================================================================================== 5252 // Device orientation 5253 //========================================================================================== 5254 /** 5255 * Handles device configuration changes that may map to a change in the orientation. 5256 * This feature is optional, and is defined by the definition and value of the 5257 * "ro.audio.monitorOrientation" system property. 5258 */ 5259 private void handleConfigurationChanged(Context context) { 5260 try { 5261 // reading new orientation "safely" (i.e. under try catch) in case anything 5262 // goes wrong when obtaining resources and configuration 5263 int newOrientation = context.getResources().getConfiguration().orientation; 5264 if (newOrientation != mDeviceOrientation) { 5265 mDeviceOrientation = newOrientation; 5266 setOrientationForAudioSystem(); 5267 } 5268 } catch (Exception e) { 5269 Log.e(TAG, "Error retrieving device orientation: " + e); 5270 } 5271 } 5272 5273 private void setOrientationForAudioSystem() { 5274 switch (mDeviceOrientation) { 5275 case Configuration.ORIENTATION_LANDSCAPE: 5276 //Log.i(TAG, "orientation is landscape"); 5277 AudioSystem.setParameters("orientation=landscape"); 5278 break; 5279 case Configuration.ORIENTATION_PORTRAIT: 5280 //Log.i(TAG, "orientation is portrait"); 5281 AudioSystem.setParameters("orientation=portrait"); 5282 break; 5283 case Configuration.ORIENTATION_SQUARE: 5284 //Log.i(TAG, "orientation is square"); 5285 AudioSystem.setParameters("orientation=square"); 5286 break; 5287 case Configuration.ORIENTATION_UNDEFINED: 5288 //Log.i(TAG, "orientation is undefined"); 5289 AudioSystem.setParameters("orientation=undefined"); 5290 break; 5291 default: 5292 Log.e(TAG, "Unknown orientation"); 5293 } 5294 } 5295 5296 5297 // Handles request to override default use of A2DP for media. 5298 public void setBluetoothA2dpOnInt(boolean on) { 5299 synchronized (mBluetoothA2dpEnabledLock) { 5300 mBluetoothA2dpEnabled = on; 5301 mAudioHandler.removeMessages(MSG_SET_FORCE_BT_A2DP_USE); 5302 AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, 5303 mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP); 5304 } 5305 } 5306 5307 @Override 5308 public void setRingtonePlayer(IRingtonePlayer player) { 5309 mContext.enforceCallingOrSelfPermission(REMOTE_AUDIO_PLAYBACK, null); 5310 mRingtonePlayer = player; 5311 } 5312 5313 @Override 5314 public IRingtonePlayer getRingtonePlayer() { 5315 return mRingtonePlayer; 5316 } 5317 5318 @Override 5319 public AudioRoutesInfo startWatchingRoutes(IAudioRoutesObserver observer) { 5320 synchronized (mCurAudioRoutes) { 5321 AudioRoutesInfo routes = new AudioRoutesInfo(mCurAudioRoutes); 5322 mRoutesObservers.register(observer); 5323 return routes; 5324 } 5325 } 5326 5327 @Override 5328 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 5329 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG); 5330 5331 dumpFocusStack(pw); 5332 dumpRCStack(pw); 5333 dumpRCCStack(pw); 5334 dumpStreamStates(pw); 5335 pw.println("\nAudio routes:"); 5336 pw.print(" mMainType=0x"); pw.println(Integer.toHexString(mCurAudioRoutes.mMainType)); 5337 pw.print(" mBluetoothName="); pw.println(mCurAudioRoutes.mBluetoothName); 5338 } 5339} 5340